The best organic lawn fertilizers pair a useful nutrient profile with an application plan that fits your grass and season. My best overall pick is Espoma Organic All Season Lawn Food for its straightforward all-season focus; CountryMax 10-6-4 stands out for a higher-nitrogen slow-release formula, while True Organic Lawn Food adds iron for buyers seeking a fast-acting option. The main tradeoffs are granular versus liquid application, general feeding versus seasonal formulas, and nutrient balance versus coverage. No single blend suits every lawn, so match the label to your grass, soil, and timing. Read on for the full breakdown of all 15 options and guidance on choosing among them.
Get business pricing on tools and workshop supplies
- Business-only prices and quantity discounts
- Tax-exempt purchasing
- Multiple users, one account, clear invoices
Complete the kit
Key Takeaways
- General feeding has several contenders: Espoma Organic All Season, CountryMax 10-6-4, and O.M. Scott & Sons Natural Grass Food each serve broad lawn-feeding needs, but differ in nutrient profile and formulation.
- Slow release and fast action are different priorities: CountryMax is labeled slow release, while True Organic pairs fast-acting positioning with 1% iron; choose based on feeding pace and the lawn concern you want to address.
- Season-specific blends are not interchangeable with year-round food: Scotts Turf Builder WinterGuard and the two fall-focused Espoma/Turf-Tone options target seasonal use rather than routine feeding.
- Some formulas are aimed at narrower jobs: Espoma Turf-Tone Lawn Starter is the dedicated starter pick, while Simple Lawn Solutions 3-18-18 has a low-nitrogen, high-phosphorus-and-potassium profile that calls for careful label and soil-test matching.
- Package size and coverage change the buying decision: Products range from a 4-pound Down to Earth bag to larger bags with stated coverage, so compare application rate and treated area rather than bag weight alone.
| organic lawn fertilizer | Coverage | Weight | Form | Brand |
|---|---|---|---|---|
| CountryMax Organic Lawn Fertil | — | 36 lb | Granules | — |
| O.M. Scott & Sons Natural Gras | Up to 2,000 sq ft | 12.72 lb | — | — |
| Espoma Organic All Season Lawn | — | 14 lb | — | — |
| Espoma Turf-Tone Lawn Starter | Up to 3,000 sq ft | 30 lb | Granules | Espoma |
| EarthWorks for Home Replenish | Up to 5,000 sq ft | 25 lb | Granules | — |
| True Organic Lawn Food | Up to 6,000 sq ft | — | Granules | True Organic |
| Jonathan Green Organic Lawn Fo | 5,000 sq ft | — | Granules | Jonathan Green |
| Simple Lawn Solutions 3-18-18 | Up to 3,200 sq ft | — | Liquid concentrate | Simple Lawn Solutions |
| Purely Organic Products Lawn F | 3,000 sq ft | — | Granules | Purely Organic Products LLC |
| Safer Brand Lawn Restore Natur | Up to 5,000 sq ft | — | Granules | Safer Brand |
| Scotts Turf Builder WinterGuar | Up to 4,000 sq. ft. | 10 lb. | — | — |
| Espoma All-Seasons Lawn Food | Up to 12,000 sq. ft. | 40 lb | — | Espoma |
| Scotts Natural Lawn Food | Up to 4,000 sq. ft. | 29.1 lb | Powder | Scotts |
| Down to Earth Organic Bio-Turf | — | 4 lb | — | Down To Earth All Natural Fertilizers |
| Turf-Tone Fall Winterizer 8-0- | Up to 5,000 sq. ft. | 30 lb | — | — |
More Details on Our Top Picks
CountryMax Organic Lawn Fertilizer 36 lb 10-6-4 Slow Release Formula
For established turf that needs steady feeding and support through stressful conditions, CountryMax’s slow-release 10-6-4 formula is the strongest fit in this group. Its higher nitrogen figure than Espoma Turf-Tone Lawn Starter’s 4-6-3 is better aligned with maintaining green, dense grass than establishing new seed or sod. The product description also points to root growth and recovery from drought, insects, and everyday stress, making it a broad-purpose choice for a lawn that needs more than a starter feed. The 36-pound granular bag suits buyers treating a larger area, though the listed data gives no coverage figure. Its main tradeoff is application precision: the product information warns against over-fertilizing, so buyers seeking a simple, low-attention option may prefer O.M. Scott & Sons Natural Grass Food, which states a feeding duration and coverage area.
Pros:- 10-6-4 NPK formula provides a clear nutrient profile for established turf
- Slow-release feeding is intended to reduce the risk of nitrogen burn
- Designed to support thicker turf, root growth, and greener color
- Product description targets recovery from drought, insects, and everyday stress
Cons:- Application needs care to avoid over-fertilization
- Coverage area is not provided in the supplied product data
- The 36-pound bag may be more than needed for a small lawn
Best for: Owners of established lawns who want a slow-release granular feed aimed at greener, denser turf and root support.
Not ideal for: New-seed and new-sod projects, since Espoma Turf-Tone Lawn Starter is specifically formulated for those uses; also a poor fit for buyers who need a stated coverage area to plan application.
- Form:Granules
- Target:Lawn grass
- Weight:36 lb
- NPK ratio:10-6-4
- Release type:Slow-release
- Intended use:Established lawn feeding
Our verdict“Choose CountryMax for established turf needing slow-release feeding and stress support, provided you can apply it carefully and do not need a listed coverage figure.”
O.M. Scott & Sons Natural Grass Food – 12.72 lb
O.M. Scott & Sons is the easiest option here to plan around: one 12.72-pound bag covers up to 2,000 square feet, and the product says it feeds for up to 10 weeks. That combination helps homeowners estimate how much to buy and when another application may be needed, details not supplied for CountryMax or Espoma All Season Lawn Food. Its natural formulation and stated use around children and pets when applied as directed also suit households that want those points spelled out. The tradeoff is that its coverage per bag is more limited than EarthWorks for Home Replenish, which lists up to 5,000 square feet. O.M. Scott & Sons also may need repeated applications through the year, so it is a better fit for scheduled lawn care than for buyers seeking a single seasonal treatment.
Pros:- States coverage of up to 2,000 square feet per bag
- Feeds for up to 10 weeks per application
- Natural formulation is described as having no artificial additives or pesticides
- Use around children and pets is stated when applied as directed
Cons:- A single bag covers less area than EarthWorks for Home Replenish
- May require multiple applications each year
- No NPK ratio is included in the supplied product data
Best for: Homeowners with up to 2,000 square feet of turf who want stated coverage, a feeding window, and application guidance for a household with children or pets.
Not ideal for: Owners of larger lawns who want fewer bags or buyers seeking a one-application seasonal plan, since the product may need repeat applications.
- Formulation:Natural lawn fertilizer
- Weight:12.72 lb
- Coverage:Up to 2,000 sq ft
- Feeding duration:Up to 10 weeks
- Model number:27006
- Packaging:Recyclable paper bag
- Unit count:1
Our verdict“Pick O.M. Scott & Sons if clear coverage and feeding duration matter more than treating a large lawn with one bag.”
Espoma Organic All Season Lawn Food, 14 lb
Espoma Organic All Season Lawn Food makes the most sense for buyers who prioritize a gentle-feeding profile over detailed application planning. It is described as designed not to burn lawns or leach from soil, with long-lasting nutrition and use around children, pets, and the environment. That focus distinguishes it from EarthWorks for Home Replenish, which offers a specified 8-2-2 ratio and coverage figure, and from O.M. Scott & Sons Natural Grass Food, which gives a feeding duration. Espoma’s supplied information does not include an NPK ratio, coverage area, or application method, so it is harder to match to a lawn’s nutrient needs or calculate how much to buy. I’d choose it for its stated low-burn and soil-retention aims, not for buyers who need precise planning details.
Pros:- Organic lawn food with long-lasting nutrition
- Designed not to burn lawns
- Described as designed not to leach from soil
- Stated as safe for children and pets
Cons:- No NPK ratio is provided in the supplied data
- Coverage area and application method are not listed
- The product information gives less scheduling guidance than O.M. Scott & Sons Natural Grass Food
Best for: Homeowners seeking an organic lawn food described as low-burn and long-lasting, especially those prioritizing stated use around children and pets.
Not ideal for: Buyers who need a known NPK ratio, coverage area, or spreader instructions before choosing a fertilizer; EarthWorks for Home Replenish supplies more planning data.
- Type:Organic lawn food
- Weight:14 lb
- Intended target:Lawn
- Nutrition duration:Long-lasting; duration not specified
- Burn profile:Designed not to burn lawns
- Leaching:Designed not to leach from soil
Our verdict“Choose Espoma All Season if low-burn, long-lasting feeding is your priority and you can work without a listed coverage area or NPK ratio.”
Espoma Turf-Tone Lawn Starter Natural & Organic Fertilizer, 30 lb Bag
Espoma Turf-Tone Lawn Starter earns its place by serving a different job from the established-lawn feeds: it is formulated for new seed, overseeding, and new sod. Its 4-6-3 ratio, including more phosphorus than nitrogen, sets it apart from CountryMax’s 10-6-4, which is the better match for maintaining established turf and encouraging strong green growth. Turf-Tone also includes Espoma’s Bio-Tone blend and covers up to 3,000 square feet per bag, giving buyers a useful planning figure for a renovation project. The limitation is its narrower purpose; it is not the most natural fit for routine feeding of an established lawn. The product is offered in a single 30-pound size, so smaller repair jobs may leave a buyer with more fertilizer than needed.
Pros:- Designed specifically for new seed, overseeding, and new sod
- 4-6-3 NPK ratio distinguishes it from higher-nitrogen established-lawn options
- Espoma Bio-Tone blend is included in the formula
- Covers up to 3,000 square feet when applied with a drop or broadcast spreader
Cons:- Starter-focused formula is less suited to routine feeding of established turf
- Available only in a 30-pound bag
- Requires a drop or broadcast spreader for the stated application method
Best for: Homeowners planting grass seed, overseeding thin patches, or installing new sod who want an organic starter fertilizer with stated coverage.
Not ideal for: Owners looking for an everyday established-lawn fertilizer or treating only a small patch, since the 30-pound bag and starter-focused formula may be excessive.
- Brand:Espoma
- Model number:TTLS30
- Form:Granules
- Weight:30 lb
- NPK ratio:4-6-3
- Coverage:Up to 3,000 sq ft
- Application method:Drop or broadcast spreader
- Target:Lawn grass
Our verdict“Choose Turf-Tone for seeding or laying sod, but select CountryMax or another established-lawn feed for routine maintenance.”
EarthWorks for Home Replenish Lawn Fertilizer 8-2-2, 25 lb
EarthWorks for Home Replenish combines a clear nutrient ratio with the largest stated coverage in this batch: one 25-pound bag treats up to 5,000 square feet. Its 8-2-2 slow-release formula pairs nitrogen with organic compost and ammonium sulfate, aiming to feed turf while supporting soil biology and structure. That makes it a better match for a larger established lawn than O.M. Scott & Sons, whose bag covers up to 2,000 square feet. Unlike Espoma Turf-Tone Lawn Starter, EarthWorks is positioned for lawn feeding rather than new seed or sod installation. The tradeoff is a narrower use: it is intended for turf, not general garden beds. The listed 75:25 mixing ratio is also not explained further in the supplied data, so buyers should follow the product’s package directions rather than infer a custom blend.
Pros:- Covers up to 5,000 square feet per 25-pound bag
- 8-2-2 slow-release formula supports sustained feeding
- Organic compost is included to support soil biology and structure
- Compatible with Scotts and other rotary spreaders
Cons:- Intended for lawn fertilizing rather than broader garden use
- The supplied data does not explain the 75:25 mixing ratio
- Its nitrogen-focused profile is less specialized for new seed and sod than Espoma Turf-Tone Lawn Starter
Best for: Owners of medium-to-large established lawns who want a slow-release granular feed with stated coverage and a soil-biology focus.
Not ideal for: Gardeners seeking one fertilizer for turf and non-lawn planting areas, or buyers who need a clearly explained mixing ratio before application.
- NPK ratio:8-2-2
- Weight:25 lb
- Form:Granules
- Coverage:Up to 5,000 sq ft
- Application method:Spreader
- Target:Lawn grass
- Listed mixing ratio:75:25
- Unit count:400 oz
Our verdict“Choose EarthWorks for a larger established lawn when broad coverage and soil support matter more than a fertilizer suited to multiple garden uses.”
True Organic Lawn Food – Fast-Acting Fertilizer with 1% Iron, 25 lb, covers up to 6,000 sq ft
For shoppers who want an organic granular feed for a larger lawn, True Organic Lawn Food pairs slow-release nitrogen with 1% iron and other nutrients, including calcium, sulfur, and potash. Its stated coverage of up to 6,000 square feet per 25-pound bag is broader than Jonathan Green Organic Lawn Food’s 5,000-square-foot coverage, so fewer bag changes may be needed across a typical yard. It works with a drop or rotary spreader, though the application still calls for light watering to activate the nutrients. That makes it less convenient for anyone seeking a no-watering routine, and its organic feeding pace may be slower than synthetic lawn foods. I’d choose it for coverage and a broad nutrient mix, not for the quickest possible color change.
Pros:- Covers up to 6,000 square feet per 25-pound bag
- Slow-release nitrogen supports longer-lasting feeding
- Includes 1% iron plus calcium, sulfur, and potash
- Works with drop and rotary spreaders
Cons:- Requires light watering after application
- May green grass more slowly than synthetic fertilizers
Best for: Homeowners with established lawns up to about 6,000 square feet who want organic granular feeding and have access to a spreader and water.
Not ideal for: Buyers who need rapid, predictable green-up or cannot water after spreading; its organic nutrients may take longer to show results.
- Brand:True Organic
- Model:R0046
- Form:Granules
- Bag weight:25 lb
- Coverage:Up to 6,000 sq ft
- Application:Drop or rotary spreader
- Iron content:1%
- Nutrient details:Slow-release nitrogen; also includes calcium, sulfur, and potash
Our verdict“Choose True Organic for broad lawn coverage and slow-release organic feeding, provided you can water it in and accept a more gradual response.”
Jonathan Green Organic Lawn Food – 10-0-1 Grass Fertilizer – 5,000 Sq Ft
Jonathan Green Organic Lawn Food is the most versatile pick here for buyers feeding more than an established lawn: its listed uses include established, newly seeded, and sodded grass. The 10-0-1 slow-release formula is designed to feed for 8–10 weeks, while added iron supports deep-green color. Compared with True Organic Lawn Food, it covers less area per package—5,000 square feet rather than up to 6,000—but its stated suitability for new seed and sod gives it a clearer fit during lawn establishment. It works with rotary, drop, or handheld spreaders, so application does not depend on one spreader style. The tradeoff is that its grass-specific formula is not intended for other plants, and larger properties may need multiple bags.
Pros:- Suitable for established lawns, newly seeded areas, and sod
- Slow-release 10-0-1 formula feeds for 8–10 weeks
- Added iron supports deeper green color
- Compatible with rotary, drop, and handheld spreaders
Cons:- Covers 5,000 square feet, less than True Organic’s stated 6,000-square-foot coverage
- Formulated for grass rather than a range of plants
Best for: Homeowners establishing a lawn from seed or sod, or maintaining grass with a standard spreader and an 8–10-week feeding interval.
Not ideal for: People looking for one fertilizer for lawn and garden beds, or owners of large properties who want to minimize the number of bags needed.
- Brand:Jonathan Green
- Model:JG-10250
- Form:Granules
- Nutrient ratio:10-0-1
- Coverage:5,000 sq ft
- Feeding duration:8–10 weeks
- Application:Rotary, drop, or handheld spreader
- Suitable lawn types:Established lawns, newly seeded lawns, and sod
Our verdict“Pick Jonathan Green if you need an organic grass food that also suits newly seeded or sodded lawns and can spread feeding across several weeks.”
Simple Lawn Solutions 3-18-18 Liquid Lawn Fertilizer, 32 fl oz
Unlike the organic granular feeds in this group, Simple Lawn Solutions 3-18-18 is a concentrated liquid with a nutrient balance weighted toward phosphorus and potassium. That makes it a distinct option for buyers prioritizing root development, lawn vigor, or turf establishment rather than the nitrogen-heavy feeding offered by Purely Organic Products Lawn Food 10-0-2. The attached hose-end sprayer simplifies application and suits all grass types, with coverage listed at up to 3,200 square feet. Its main tradeoff is that it is a less direct match for a roundup focused on organic lawn fertilizers: the supplied product information does not identify it as organic. It also needs actively growing turf and sufficient watering for absorption, so it is not a fit for dormant grass or a low-effort granular feeding schedule.
Pros:- 3-18-18 formula emphasizes phosphorus and potassium
- Hose-end sprayer is included for direct application
- Suitable for all grass types
- Covers up to 3,200 square feet
Cons:- Product information does not identify it as organic, making it a weaker match for this roundup
- Must be applied to actively growing turf
- Requires sufficient watering for nutrient absorption
Best for: Lawn owners seeking a hose-applied, root-focused fertilizer for actively growing turf and willing to prioritize a high-phosphorus formula.
Not ideal for: Buyers specifically seeking a certified or clearly identified organic fertilizer, or those feeding dormant turf or a lawn larger than the stated coverage.
- Brand:Simple Lawn Solutions
- Form:Liquid concentrate
- NPK ratio:3-18-18
- Nitrogen:3%
- Phosphorus:18%
- Potassium:18%
- Volume:32 fl oz
- Coverage:Up to 3,200 sq ft
- Application:Attached hose-end sprayer
Our verdict“Choose this liquid for convenient, root-focused feeding of actively growing turf, but skip it if organic sourcing is your main requirement.”
Purely Organic Products Lawn Food 10-0-2, 15 LB (Covers 3,000 Square Feet)
Purely Organic Products Lawn Food stands out for its plant-based ingredients—distillers grains and soy—and its 10-0-2, phosphorus-free formula. That nutrient profile can suit homeowners whose local rules restrict phosphorus use, while also avoiding manure and biosolids listed as concerns by some buyers. Compared with Jonathan Green Organic Lawn Food, which also has a 10% nitrogen formula but includes 1% phosphorus, this is the more targeted choice for a phosphorus-free feed. Its 3,000-square-foot coverage is smaller than True Organic Lawn Food’s stated coverage, so it makes more sense for modest lawns than broad properties. The 15-pound bag may also be cumbersome to handle, despite its smaller capacity. I’d favor it when ingredient source and phosphorus-free feeding matter more than covering a large area with one bag.
Pros:- Plant-based ingredients include distillers grains and soy
- 10-0-2 formula contains no phosphorus
- Granular form is intended for lawn grasses
- Avoids manure and biosolids
Cons:- Covers 3,000 square feet, less than True Organic or Jonathan Green
- The 15-pound bag may be difficult for some users to handle
Best for: Owners of smaller lawns who want plant-based granular fertilizer and need a phosphorus-free formula to meet local lawn-care rules.
Not ideal for: People with large lawns who want fewer bag changes, or buyers who find a 15-pound bag difficult to lift and spread.
- Brand:Purely Organic Products LLC
- Model:856143003534
- Form:Granules
- Nutrient ratio:10-0-2
- Bag weight:15 lb
- Coverage:3,000 sq ft
- Ingredients:Distillers grains and soy
- Target:Lawn grasses
Our verdict“Choose Purely Organic for a phosphorus-free, plant-based feed on a smaller lawn, especially where local rules limit phosphorus.”
Safer Brand Lawn Restore Natural Lawn Fertilizer, 9-0-2 NPK, 20 lb
Among these granular options, Safer Brand Lawn Restore is the pick for buyers who want a naturally derived feed with a stated prospect of visible greening in 3–5 days. Its 9-0-2 formula supports root development and lawn repair, and the non-burning formulation is aimed at thinning grass without adding phosphorus. Compared with Purely Organic Products Lawn Food, Safer Brand lists feather meal and blood meal among its ingredients rather than a plant-based distillers-grain and soy blend, so the ingredient preference is a key distinction. Coverage reaches up to 5,000 square feet, between Jonathan Green’s 5,000 and True Organic’s 6,000-square-foot claims. Results can vary with lawn conditions, and the listing gives conflicting weight figures: a 20-pound product title but a 22-pound item weight.
Pros:- 9-0-2 formula contains no phosphorus
- Naturally derived ingredients include feather meal and blood meal
- Non-burning formula supports feeding thinning lawns
- Listed coverage is up to 5,000 square feet
Cons:- The 3–5-day greening claim may vary with lawn conditions
- Ingredient list includes animal-derived feather meal and blood meal
- Listing conflicts between 20-pound product weight and 22-pound item weight
Best for: Homeowners with thinning lawns who want a naturally derived, phosphorus-free granular feed and value the possibility of visible greening within days.
Not ideal for: Buyers who prefer plant-only ingredients, need guaranteed timing for results, or need a clear, consistent package-weight specification.
- Brand:Safer Brand
- Model:9335SR
- Form:Granules
- Nutrient ratio:9-0-2
- Listed product weight:20 lb
- Item weight in listing:22 lb
- Coverage:Up to 5,000 sq ft
- Ingredients:Naturally derived materials, including feather meal and blood meal
Our verdict“Pick Safer Brand for a naturally derived, phosphorus-free feed aimed at thinning lawns, but choose another option if you require plant-only ingredients or more certain results.”
Scotts Turf Builder WinterGuard Fall Lawn Food, 10 lb.
For an organic-focused roundup, I’d treat this as a seasonal alternative rather than a certified-organic pick: the supplied details do not identify an organic certification. Its main appeal is timing. Applied in fall, it supplies nutrients aimed at root development and recovery from summer stress, making it more focused than Espoma All-Seasons Lawn Food, which is designed for use across spring, summer, and fall. The 10-pound bag covers up to 4,000 square feet, a manageable amount for a modest lawn, and it can go onto wet or dry grass. The tradeoff is that this is a fall-only choice, not a year-round feeding plan. Buyers specifically seeking an OMRI-listed product should look instead at Scotts Natural Lawn Food or Down to Earth Bio-Turf.
Pros:- Fall formula is aimed at root growth and post-summer recovery
- Suitable for any grass type
- Can be applied to a wet or dry lawn
- Covers up to 4,000 square feet
Cons:- Organic certification is not specified in the provided product details
- Fall-only timing limits its usefulness as an all-season fertilizer
- Coverage is modest compared with larger bags such as Espoma All-Seasons Lawn Food
Best for: Lawn owners seeking a fall treatment for a modest-sized yard who prioritize root support after summer heat or drought.
Not ideal for: Buyers requiring a clearly documented organic certification or a fertilizer they can use across multiple seasons.
- Product type:Fall lawn fertilizer
- Weight:10 lb.
- Coverage:Up to 4,000 sq. ft.
- Application season:Fall
- Lawn condition for application:Wet or dry
- Suitable grass types:Any grass type
Our verdict“Choose it for targeted fall lawn care, but pick an OMRI-listed alternative if organic certification is a requirement.”
Espoma All-Seasons Lawn Food, 15-0-5, 40 lb
I’d put Espoma All-Seasons ahead of single-season picks for homeowners who want one granular formula for several feeding windows. Its 15-0-5 analysis with iron supports lawn growth and green color, while the stated coverage of up to 12,000 square feet makes this 40-pound bag better suited to larger properties than Down to Earth Bio-Turf’s compact 4-pound package. It works on cool- and warm-season grasses and can be applied in spring, summer, or fall, so it offers more scheduling flexibility than Turf-Tone Fall Winterizer. The tradeoff is practical: application requires a drop or broadcast spreader, and the large bag is less convenient for small lawns or limited storage. The supplied information also does not list an organic certification, so buyers who need one should check the label.
Pros:- Covers up to 12,000 square feet per bag
- Suitable for both cool- and warm-season grasses
- Can be applied in spring, summer, or fall
- Includes iron to support deep green color
Cons:- Requires a drop or broadcast spreader
- The 40-pound bag can be cumbersome for small yards and limited storage
- Organic certification is not specified in the provided product details
Best for: Owners of larger lawns with cool- or warm-season grass who have a spreader and want flexible spring, summer, or fall application.
Not ideal for: Small-lawn owners without storage space or buyers who need a product with organic certification explicitly documented.
- Brand:Espoma
- Model:ELF40
- Item form:Granules
- Fertilizer analysis:15-0-5
- Weight:40 lb
- Coverage:Up to 12,000 sq. ft.
- Application method:Drop or broadcast spreader
- Suitable grasses:Cool- and warm-season grasses
- Application seasons:Spring, summer, and fall
Our verdict“Choose Espoma for broad seasonal flexibility and large-lawn coverage if you have a spreader and do not require a stated organic certification.”
Scotts Natural Lawn Food, 29.1 lb, Covers 4,000 sq. ft.
Among these picks, Scotts Natural Lawn Food has a clear advantage for buyers prioritizing a stated organic credential: it is OMRI listed and can be used around children and pets. It suits all grass types, can be applied in any season, and is safe to walk on immediately after application—conveniences that set it apart from the more season-specific Scotts Turf Builder WinterGuard. The tradeoff is pace: the product details say greener grass may take 1 to 3 weeks to appear, so it is not the best match for someone expecting a quick visual change. Its 29.1-pound package covers up to 4,000 square feet, less area per bag than Espoma All-Seasons Lawn Food. I’d also plan around the weather, since the guidance says not to apply when heavy rain is expected.
Pros:- OMRI listed
- Suitable for all grass types and any season
- Can be used around children and pets and walked on immediately after application
- No unpleasant odor is listed
Cons:- Greener grass may take 1 to 3 weeks to appear
- One bag covers up to 4,000 square feet, less than Espoma All-Seasons Lawn Food
- Should not be applied when heavy rain is expected
Best for: Households with children or pets seeking an OMRI-listed lawn food that can be used on different grass types throughout the year.
Not ideal for: Buyers wanting rapid visible greening, coverage for a large property from one bag, or a product to apply ahead of heavy rain.
- Brand:Scotts
- Weight:29.1 lb
- Coverage:Up to 4,000 sq. ft.
- Form:Powder
- Application method:Spreader
- Mixing ratio:11:2:2
- Application frequency:Up to 4 times per year
- Certification:OMRI listed
Our verdict“Pick Scotts Natural Lawn Food for an OMRI-listed, family-conscious option if you can wait for results and work around the weather.”
Down to Earth Organic Bio-Turf Lawn Food 8-3-5, 4 lb
Down to Earth Bio-Turf is the compact choice for buyers who want OMRI-listed organic ingredients and a formula aimed at roots, early growth, and stress resistance. Its 8-3-5 analysis includes potassium, while the ingredient blend—feather, blood, meat, and bone meals plus langbeinite—gives this product a different profile from Scotts Natural Lawn Food’s 11:2:2 formula. The 4-pound bag is easier to handle and store than a large lawn-food sack, but it is a poor fit for broad coverage: large lawns may need multiple bags, and the product information does not state a coverage area or application schedule. Granules also call for careful spreading; unlike a liquid product such as Simple Lawn Solutions 3-18-18, this is not a mix-and-spray format. It can also suit vegetable gardens.
Pros:- OMRI listed for organic use
- 8-3-5 formula includes nitrogen, phosphorus, and potassium
- Ingredient blend is intended to support roots, early growth, and stress resistance
- Listed for lawns and vegetable gardens
Cons:- Four-pound bag may be impractical for large lawns
- No coverage area is provided in the supplied product details
- Granules require even distribution, typically with a spreader
Best for: Organic gardeners with a small lawn or garden who want an OMRI-listed granular blend and value a compact bag.
Not ideal for: Owners of large lawns seeking a clearly stated coverage area, or anyone who does not have a way to spread granules evenly.
- Brand:Down To Earth All Natural Fertilizers
- Model number:7883
- Manufacturer:Down to Earth Distributors Inc.
- Weight:4 lb
- Item form:Granules
- NPK ratio:8-3-5
- OMRI listed:Yes
- Target uses:Lawns and vegetable gardens
Our verdict“Choose Bio-Turf for a small organic lawn or garden where a compact OMRI-listed granular formula matters more than broad coverage.”
Turf-Tone Fall Winterizer 8-0-5 Natural & Organic Lawn Food – 30 lb Bag
Turf-Tone is the most directly focused choice here for buyers seeking an organic fall winterizer. Its 8-0-5 formula adds potassium to a fall feeding intended to support recovery from summer stress and help lawns carry strength into spring. Compared with Scotts Turf Builder WinterGuard, Turf-Tone is explicitly described as natural and organic and covers more area—up to 5,000 square feet versus 4,000. It also names common grasses, including fescue, bluegrass, ryegrass, St. Augustine, and Zoysia. The limitation is timing: unlike Espoma All-Seasons Lawn Food, this is a fall-only product, so it cannot serve as a flexible multi-season fertilizer. Even coverage calls for a drop or broadcast spreader, which adds equipment and setup to the job.
Pros:- Described as natural and organic
- 8-0-5 formula includes extra potassium for fall lawn support
- Covers up to 5,000 square feet
- Suitable for several common grasses, including fescue, bluegrass, ryegrass, St. Augustine, and Zoysia
Cons:- Fall-only use is less flexible than Espoma All-Seasons Lawn Food
- Requires a drop or broadcast spreader for even application
- No OMRI listing is specified in the supplied product details
Best for: Homeowners seeking an organic fall feeding for common cool- or warm-season lawn grasses, especially after summer stress.
Not ideal for: Buyers who want one fertilizer for spring through fall or who cannot apply granular products with a spreader.
- NPK ratio:8-0-5
- Weight:30 lb
- Coverage:Up to 5,000 sq. ft.
- Application season:Fall
- Suitable grasses:Fescue, bluegrass, ryegrass, St. Augustine, and Zoysia
- Application method:Drop or broadcast spreader
- Made in:USA
Our verdict“Choose Turf-Tone for an organic, potassium-containing fall feeding across a medium-sized lawn, but skip it if you need year-round flexibility.”
How We Picked
I compared these 15 products by the factors that change how well a fertilizer fits a real lawn: NPK balance, intended use, release or action claims, format, and stated coverage. I gave preference to products with a clear role, such as all-season feeding, lawn establishment, iron-supported greening, or fall application, rather than treating every organic-labeled blend as interchangeable. I also looked at whether the product’s package information helps a buyer estimate how much area it can treat and how it fits into a seasonal plan.
The ranking favors versatility and clarity for routine lawn care, which puts Espoma Organic All Season first, with CountryMax and O.M. Scott & Sons among the broad-use alternatives. More specialized or less conventional profiles rank lower for general use, even when they may suit a specific lawn or season. I did not infer performance beyond the supplied product names and label details; buyers should verify the current package directions, ingredient information, grass compatibility, and application rate before use.
| organic lawn fertilizer | Form |
|---|---|
| CountryMax Organic Lawn Fertil | Granules |
| O.M. Scott & Sons Natural Gras | — |
| Espoma Organic All Season Lawn | — |
| Espoma Turf-Tone Lawn Starter | Granules |
| EarthWorks for Home Replenish | Granules |
| True Organic Lawn Food | Granules |
| Jonathan Green Organic Lawn Fo | Granules |
| Simple Lawn Solutions 3-18-18 | Liquid concentrate |
| Purely Organic Products Lawn F | Granules |
| Safer Brand Lawn Restore Natur | Granules |
| Scotts Turf Builder WinterGuar | — |
| Espoma All-Seasons Lawn Food | — |
| Scotts Natural Lawn Food | Powder |
| Down to Earth Organic Bio-Turf | — |
| Turf-Tone Fall Winterizer 8-0- | — |
Factors to Consider When Choosing Best Organic Lawn Fertilizers
Product labels help narrow the field, but the right organic fertilizer also depends on what your lawn needs and when you plan to apply it. I would use these broader checks before choosing a formula, especially when comparing a general lawn food with a starter or seasonal product.
Start With the Lawn’s Actual Need
Before buying, identify whether the goal is routine feeding, support for newly seeded or sodded grass, or a seasonal application. A general-purpose blend is often a simpler fit for established turf, while a starter product serves a narrower point in the lawn’s life cycle. Avoid treating yellowing or thin grass as automatic proof that it needs fertilizer; watering problems, mowing stress, pests, or soil conditions can cause similar symptoms. A soil test can reveal whether a nutrient is already abundant or lacking. This matters especially with formulas that emphasize phosphorus or potassium, since more of a nutrient is not automatically better. Choose the product for the problem you can confirm, not just the most striking claim on the bag.
Read NPK as a Balance, Not a Score
The three numbers on a fertilizer label show the relative amounts of nitrogen, phosphorus, and potassium, and they describe a formula rather than a quality ranking. Nitrogen is commonly associated with leafy growth and green color, while phosphorus and potassium have different roles in plant development and stress support. A higher number does not mean a blend is a better choice for every yard. For example, a 3-18-18 liquid formula is very different from a nitrogen-forward lawn food, so its fit depends on the lawn’s needs and local guidance. Check soil-test results and the label’s intended use before selecting an unusual ratio. Also confirm local rules, as phosphorus use may be restricted in some places unless specific conditions apply.
Match the Timing to the Grass and Climate
Fertilizing at the wrong time can create unnecessary growth or put stress on turf, so seasonal labels deserve attention. Warm-season and cool-season grasses follow different growth cycles, and local weather can shift the useful application window. A fall formula is not automatically the right choice just because it is sold as a winterizer; confirm that the timing suits your grass type and region. Newly seeded lawns also have different needs from mature turf, which is why a starter formula should not simply replace every routine feeding. Follow the package schedule rather than stacking products from different seasonal programs. When timing is uncertain, a local extension service can help translate general label advice to your area.
Choose Granular or Liquid for Your Routine
Granular products usually suit buyers who want a dry application and can spread material evenly across a measured area. Liquid fertilizer may fit a smaller yard or a buyer who prefers a spray application, but it requires accurate mixing and coverage. Neither format removes the need to follow label directions or apply evenly. Uneven spreading can leave visible stripes, while a liquid mix prepared at the wrong concentration can lead to inconsistent results. Consider the equipment you already own, how comfortable you are calibrating it, and whether the product needs watering in. The easiest format is the one you can apply consistently and safely across the whole lawn.
Compare Coverage and Application Rate
Bag weight alone is a poor way to compare value or convenience because products can call for different application rates. Check the stated coverage, the recommended amount per area, and whether the package is sized for one application or multiple treatments. A small bag can be practical for a compact lawn or targeted use, while a larger package may reduce the need for repeat purchases but can be awkward to store. Measure the actual turf area rather than counting the whole property, since paths, beds, and patios do not need lawn fertilizer. Keep enough product for the area without buying far more than you can use within the label’s storage guidance. This calculation also helps avoid overapplication, which can harm turf and waste nutrients.
Look Beyond the Word “Organic”
“Organic” on a product name does not answer every question about ingredients, certification, or how the product should be handled. Read the current label for ingredient disclosures, application instructions, protective measures, and any restrictions around pets or children. Organic fertilizers can still cause harm when misapplied, and natural origin does not mean a product is suitable for every lawn or every season. If certification matters to you, look for the relevant certification on the package rather than assuming it from branding. Store the product as directed and keep it away from waterways and storm drains during application. These checks make the purchase a better fit for your household and yard-care practices.
Frequently Asked Questions
Can I use a fall or winterizer fertilizer as my regular lawn food?
Usually, a seasonal formula is meant for a particular point in the grass’s growth cycle, not as a direct replacement for routine feeding. The fall products in this roundup have their own seasonal positioning, so timing and grass type matter more than the word “winterizer” alone. Check the label for application windows and confirm that those dates fit your local climate. Avoid combining a seasonal product with another fertilizer unless the label schedule allows it. If you are unsure whether your grass is warm-season or cool-season, identify it before choosing a seasonal blend.
Should I choose the 3-18-18 liquid fertilizer for an established lawn?
Not by default. Its low-nitrogen, high-phosphorus-and-potassium ratio makes it quite different from the nitrogen-forward options intended for general lawn feeding. A soil test can help determine whether those nutrients are needed, and local rules may limit phosphorus applications. The liquid format also calls for careful mixing and even spraying, so it may be less convenient than a granular product for some yards. If your goal is routine feeding and you have no specific nutrient indication, compare it with a general lawn food before deciding.
Does a fast-acting fertilizer make more sense than a slow-release one?
That depends on the timing and the result you are seeking. A fast-acting option such as True Organic is positioned for a quicker response and includes 1% iron, while CountryMax is labeled slow release for a more gradual feeding approach. Faster action does not mean a product should be applied more often or at a heavier rate. Slow-release formulas may better suit buyers who prefer a less immediate feeding pattern, provided the label matches their schedule. Follow each product’s instructions rather than comparing pace alone.
How do I know how much fertilizer to buy for my lawn?
Measure the grass area that needs treatment, then use the product’s stated coverage and application rate to estimate the quantity. Do not base the decision only on bag weight: the 4-pound Down to Earth option and larger bags are intended for different coverage needs and product-use patterns. Leave out garden beds, driveways, and other non-lawn areas from your measurement. Check whether the package coverage assumes a particular application rate, and do not stretch the product to cover more area than the label allows. Buying only what you can apply properly helps limit leftovers and overapplication.
Can I use organic lawn fertilizer on a newly seeded lawn?
Some products are specifically positioned as lawn starters, while many general lawn foods are not necessarily intended for new seed. Espoma Turf-Tone Lawn Starter is the clearly labeled starter option in this lineup, but the package directions still govern timing and application. Seed type, soil preparation, and watering also affect establishment, so fertilizer alone will not resolve every seeding problem. Check whether the product can be applied at seeding or only after seedlings emerge, and follow any restrictions about watering. If your seed mix or local guidance specifies a starter fertilizer, use that information to confirm the choice.
Conclusion
For routine feeding across a broad range of established lawns, I would start with Espoma Organic All Season Lawn Food as the best overall pick. CountryMax 10-6-4 is my best value-style choice for buyers who want a slow-release formula in a larger bag, while Espoma All-Seasons 15-0-5 is the best premium-style option for shoppers comparing a larger-format, nitrogen-forward blend. For beginners, O.M. Scott & Sons Natural Grass Food is a straightforward general lawn-food choice, with the caveat that buyers should still follow its label and measure coverage. Choose Espoma Turf-Tone Lawn Starter for a starter-focused need, True Organic Lawn Food when fast-acting positioning and iron suit your goal, or one of the fall formulas when its seasonal timing matches your grass and region. If you are considering the unusual 3-18-18 ratio, let a soil test guide the decision instead of treating it as a general-purpose fertilizer.
