Finding the best garden mulches involves balancing factors like organic content, durability, price, and ease of application. The Brut Organic Aspen Mulch stands out as the overall best for its natural moisture retention and root protection. For those prioritizing eco-friendly and sustainable options, the Back to the Roots Organic Coconut Husk Mulch offers excellent biodegradability. Budget-conscious gardeners will appreciate the HealthiStraw Garden Straw Mini for its affordability and versatility. However, tradeoffs often include durability versus cost, or organic purity versus availability. Keep reading for a detailed breakdown of these options and how they can meet different gardening needs.
Key Takeaways
- Organic mulches like coconut husk and straw deliver excellent soil enrichment but vary in durability and price.
- Cedar and pine mulches provide long-lasting weed suppression but may be more expensive or less eco-friendly.
- Mulch size and texture impact ease of spreading and effectiveness in moisture retention and weed control.
- Biodegradable options tend to break down faster, requiring more frequent replenishment but supporting sustainable gardening.
- Price and quantity often reflect quality, but cheaper products may sacrifice longevity or natural properties.
| garden mulch | Material | Weight | Volume |
|---|---|---|---|
| Brut Organic Aspen Mulch 10 QT | Aspen bark | 10 QT | — |
| HealthiStraw Garden Straw Mini | — | 4 lbs | 0.5 cu ft |
| Back to the Roots Organic Coco | Coconut Husk | 10 lbs | Over 2 cubic feet |
| Oldcastle Lawn & Garden Cedar | Shredded cedar | — | 2 cu ft |
| PJT Organic Garden Straw | Wheat straw | — | — |
| EZ-Straw Seeding Mulch with Ta | Biodegradable processed straw | — | 2.5 CU FT |
| Cedar Mulch | Cedar Bark and Cedar Wood Fiber | — | — |
| Home and Country USA Premium 8 | Pine needles | 8 pounds | — |
| Back to the Roots 25.7qt Organ | — | — | — |
| HealthiStraw Garden Straw | Wheat straw | 20 lbs | 3 cu ft |
| Garden Elements Natural Cocoa | Cocoa bean shells | — | 2 cu ft |
| EZ Straw Seeding Mulch with Ta | — | 1 cu. ft. | — |
More Details on Our Top Picks
Brut Organic Aspen Mulch 10 QT – Natural Moisture Retainer & Root Protector
This organic Aspen bark mulch stands out for its sustainability and effectiveness at moisture retention, weed suppression, and supporting healthy roots, making it a versatile choice for various garden settings. Compared with the coconut husk mulch, it offers a more traditional mulch texture and easier application without expansion steps, although the smaller 10 QT size means you’ll need multiple bags for larger beds. Its OMRI certification reassures organic gardeners seeking eco-friendly options, but the limited quantity could be a drawback for bigger projects. Overall, this mulch is ideal for gardeners prioritizing organic practices and manageable quantities, though larger areas may require additional purchases.
Pros:- OMRI-listed and certified organic for eco-friendly gardening
- Odor-free and lightweight for easy handling and application
- Effective at retaining soil moisture and suppressing weeds
Cons:- Limited to 10 QT size, requiring multiple bags for large areas
- Some users may prefer coarser textures for better weed suppression
Best for: Organic gardeners needing a lightweight, OMRI-listed mulch for small to medium beds and container plants
Not ideal for: Large landscape projects or those seeking bulk mulch for extensive areas, as the size may be insufficient
- Weight:10 QT
- Material:Aspen bark
- Organic Certification:OMRI-listed
- Brand:Brut Worm Farms
- UPC:860010549537
- Model Number:BW-MulchAspen-12lb
Our verdict“This mulch is perfect for organic gardeners who want a lightweight, sustainable option for small-scale projects.”
HealthiStraw Garden Straw Mini, 0.5 cu ft (4 lbs) Natural Mulch for Gardens, Vegetables & Lawn Seeding
This straw mulch excels for small gardens, containers, or lawn patches where clean, dust-free coverage is needed. Its thorough cleaning process removes dust, dirt, and seeds, making it superior to bulk straw options that may introduce weeds or pests. While its 0.5 cubic feet may seem limited, it effectively conserves water and improves soil health for small-scale planting and seeding, unlike larger bulk mulches that are better suited for extensive beds. Its resistance to wind and rain without binders simplifies application, but reapplication might be necessary for ongoing coverage, especially in windy or rainy conditions. This pick makes the most sense for gardeners with limited space seeking a pure, effective mulch.
Pros:- Thoroughly cleaned for weed and seed-free mulch
- Conserves water and supports soil health
- Resists wind and rain without binders
Cons:- Limited coverage at 0.5 cu ft, requiring multiple bags for larger areas
- Needs reapplication for sustained weed suppression
Best for: Small garden beds, containers, and lawn seeding projects where purity and ease of use are priorities
Not ideal for: Large garden beds or extensive landscaping, as the coverage is limited and reapplication needed over time
- Weight:4 lbs
- Volume:0.5 cu ft
- Coverage:up to 20 sq ft at 2-3 inches
Our verdict“Ideal for gardeners with small plots or containers who want a clean, natural mulch that conserves water and resists weather effects.”
Back to the Roots Organic Coconut Husk Mulch, 58 Quart (2 Cubic Feet)
This coconut husk mulch offers a generous volume expansion, making it suitable for a wide array of uses such as garden beds, raised planting areas, and even pet bedding. Its organic and peat-free composition aligns well with organic gardening principles, with OMRI listing providing added assurance. Unlike the Aspen mulch, it requires an expansion step before use, which could be inconvenient for quick projects. Its versatility extends beyond traditional mulching, but its primary appeal remains in organic gardens that benefit from peat-free, natural materials. This product makes sense for those needing substantial volume and eco-friendly options, though the need for expansion could be a minor hassle.
Pros:- Expands to over 2 cubic feet for large projects
- Organic, peat-free, and OMRI-listed for organic compliance
- Suitable for a range of applications including gardening and pet bedding
Cons:- Requires expansion before use, adding prep time
- Limited mainly to gardening and bedding applications, not ideal for decorative landscaping
Best for: Organic gardeners seeking a large-volume, versatile mulch for beds, raised gardens, or pet bedding
Not ideal for: Gardeners looking for ready-to-use mulch without prep work or those with limited storage space
- Weight:10 lbs
- Volume:Over 2 cubic feet
- Material:Coconut Husk
- Certification:OMRI Listed
- Type:Mulch
Our verdict“This mulch suits organic gardeners needing a high-volume, eco-friendly material that expands to meet various gardening needs.”
Oldcastle Lawn & Garden Cedar Mulch 2 cu ft
This cedar mulch enhances landscape aesthetics with its natural, vibrant color and pleasant cedar scent. Its shredded cedar material helps control moisture, reducing water needs and supporting healthy plant growth. Compared to organic options like the Aspen or coconut mulch, it prioritizes visual appeal and natural scent over organic certification, making it suitable for decorative beds and mulched borders. However, the lack of durability details and potential for color fading over time mean it’s more suited for temporary or ornamental purposes rather than long-term weed control or soil enrichment. It makes perfect sense for gardeners focused on visual appeal and moisture control in visible landscape areas.
Pros:- Enhances landscape appearance with natural color and scent
- Controls moisture to reduce water use
- Made from 100% shredded cedar for a natural look
Cons:- No specific durability or longevity info provided
- Potential for color fading over time, reducing aesthetic longevity
Best for: Landscapers and homeowners wanting attractive, natural mulch for borders, flower beds, and decorative garden features
Not ideal for: Organic vegetable gardens or projects where long-term weed suppression and soil enrichment are priorities
- Volume:2 cu ft
- Material:Shredded cedar
Our verdict“Ideal for decorative landscaping where aesthetics and moisture control are more important than long-term weed suppression or soil enhancement.”
PJT Organic Garden Straw, Biodegradable Mulch for Vegetables and Landscaping, 0.5 cu ft
This wheat straw mulch provides a clean, weed seed-free cover designed specifically for vegetable gardens, flower beds, and landscape areas. Its biodegradable nature means it decomposes to enrich soil, unlike synthetic or chemically treated mulches. Compared with straw products that might contain seeds or dust, this version’s thorough cleaning reduces weed problems and simplifies application. However, its 0.5 cubic feet volume makes it more suitable for small beds or individual plants rather than extensive planting areas, and proper watering is necessary to activate its weed-suppressing properties. This mulch makes the most sense for vegetable growers or small-scale landscapers who want a nutrient-rich, biodegradable cover.
Pros:- Biodegradable and enriches soil as it decomposes
- Free from weed seeds and chemicals
- Provides insulation and moisture retention
Cons:- Requires proper watering to activate benefits
- Needs reapplication for long-term weed control
- Layer thickness must be managed to prevent smothering young plants
Best for: Vegetable gardeners and small-scale landscape projects aiming for a natural, nutrient-releasing mulch
Not ideal for: Large vegetable plots or extensive landscaping where larger quantities are needed or reapplication is cumbersome
- Package Volume:0.5 cu ft
- Coverage Area:15-20 sq ft
- Material:Wheat straw
Our verdict“This straw mulch is best suited for small vegetable plots and flower beds where natural weed suppression and soil enrichment are desired.”
EZ-Straw Seeding Mulch with Tackifier – 2.5 CU FT Bale
This processed straw mulch with tackifier makes a strong case for anyone focused on establishing new lawns or overseeding patches. Its biodegradable bonding agent helps prevent seed washout and wind dispersal, providing a more reliable germination environment compared to loose straw. While it excels in seed protection and ease of application, its coverage is limited to about 500 sq. ft. per bale, meaning larger projects may require multiple bales, increasing costs. Compared with the cedar mulch, it’s less decorative but more functional for seed anchoring. Ideal for new lawn projects or overseeding efforts. Its environmental friendliness and ability to keep seeds in place make it a practical choice, though it’s less suited for ornamental landscaping or soil amendments. Tradeoff: Focused on seed germination, not aesthetic appeal.
Pros:- Biodegradable and environmentally friendly
- Helps prevent seed washout and wind dispersal
- Easy to handle and apply
Cons:- Limited coverage area per bale
- Requires multiple applications for large projects
Best for: Homeowners seeding large lawn areas or overseeding patches who need reliable seed protection.
Not ideal for: Gardeners seeking decorative mulch for flower beds or landscape design, as it’s primarily functional for seed establishment.
- Volume:2.5 CU FT
- Coverage:up to 500 sq. ft.
- Material:Biodegradable processed straw
- Includes:Tackifier bonding agent
Our verdict“This mulch is best suited for those focused on seed germination and lawn establishment with a need for eco-friendly, protective coverage.”
Cedar Mulch, 3.0 Cu. Ft. – Perfect for Landscaping, Gardens, Potted Plants, and More (Brown)
This cedar mulch stands out for its natural aromatic scent and slow decomposition rate, making it a favorite among gardeners who value both appearance and longevity. Made from 100% cedar bark and wood fiber, it not only enhances landscape aesthetics but also promotes healthy root growth with natural pest deterrence. Compared to compost-based mulches, it offers a more decorative and aromatic solution, though it comes at a higher price point. Its limited color options and potential for attracting pests if not maintained properly are tradeoffs to consider. While less suitable for vegetable beds, it excels in ornamental gardens and edging projects. Ideal for decorative landscaping and long-lasting mulch needs. It’s more expensive than synthetic alternatives but offers natural benefits that many prefer for visible garden beds.
Pros:- Natural aromatic scent enhances garden ambiance
- Slow decomposition prolongs mulch effectiveness
- Promotes healthy plant and root growth
Cons:- More expensive than synthetic or less aromatic mulches
- Limited color options (brown only)
- Potential for attracting pests if not properly maintained
Best for: Gardeners seeking a durable, aromatic mulch that enhances visual appeal in flower beds and landscape borders.
Not ideal for: Vegetable gardeners or those on a tight budget, as its cost and pest attraction potential may outweigh its aesthetic benefits.
- Item Volume:3.0 Cu. Ft.
- Material:Cedar Bark and Cedar Wood Fiber
- Scent:Unscented
- Features:Natural, Non Toxic, Slow Decomposition
Our verdict“This cedar mulch is best for those prioritizing natural appearance and long-lasting decorative ground cover in ornamental gardens.”
Home and Country USA Premium 8 Pounds Pine Straw Mulch for Landscaping
This organic pine straw mulch offers a natural, effective solution for weed suppression and moisture retention, making it well-suited for large landscape beds and garden borders. Unlike cedar mulch, it does not release aromatic compounds but excels in controlling weeds and maintaining soil moisture over time. Its lightweight nature means it needs replenishing more often than heavier mulches, but it’s a cost-effective choice for organic garden beds. Compared to the cedar mulch, it’s less decorative but more functional for weed control. It’s best for gardeners prioritizing soil health and sustainability, though it’s less suited for ornamental landscaping where visual appeal is the primary goal. Ideal for organic gardening, weed control, and soil moisture management. It’s less durable and may need frequent topping up, but it’s a natural choice for eco-conscious growers.
Pros:- Effective weed suppression
- Natural moisture retention
- Enhances garden aesthetics with a natural look
Cons:- Requires replenishing over time
- Less decorative than bark mulches
- Potential for pine needle scattering if not maintained
Best for: Organic gardeners focused on weed suppression and soil moisture retention for vegetable or flower beds.
Not ideal for: Landscapers seeking decorative or aromatic mulch, as pine straw prioritizes function over aesthetics.
- Weight:8 pounds
- Material:Pine needles
- Use:Landscaping, gardening, soil moisture retention
- Organic:Yes
Our verdict“This pine straw mulch is ideal for organic gardeners who need a natural, effective ground cover to control weeds and conserve moisture.”
Back to the Roots 25.7qt Organic Premium Mulch
This organic, peat-free mulch mix is tailored for raised beds, offering a nutrient-rich environment that supports herbs, vegetables, and fruits. Made from upcycled plant matter and wood fines, it provides a balanced moisture control and pH environment, unlike simpler straw mulches. Compared with the straw-based options, it delivers added nutrients, although the specific fertilizer content isn’t detailed, which may be a concern for nutrient-specific growers. Its compact size makes it ideal for small to medium raised beds, but it isn’t designed for large landscape projects. For organic vegetable gardeners who want a ready-to-use, nutrient-dense mulch, this makes a compelling choice. Best suited for raised bed vegetable and herb gardening. It’s less appropriate for broad landscape beds or lawn applications due to its limited volume.
Pros:- 100% organic and peat-free
- Enhances moisture retention and pH balance
- Made in the USA with upcycled materials
Cons:- Limited to raised bed applications
- Nutrient content info is not detailed
Best for: Organic vegetable gardeners with raised beds seeking nutrient-rich, peat-free mulch.
Not ideal for: Large-scale landscape projects or lawn seeding, as its volume and design focus on small, controlled beds.
- Capacity:25.7 quarts (1 cubic foot)
- Organic:Yes
- Peat-Free:Yes
- Made in:USA
Our verdict“This mulch is best for organic growers focusing on nutrient-dense, raised bed vegetable and herb cultivation.”
HealthiStraw Garden Straw, 3 cu ft (20 lbs) All-Natural Mulch for Gardens, Vegetables & Lawn Seeding
This wheat straw mulch offers a versatile, all-natural option for gardens, lawns, and seeding projects alike. Its eco-friendly sourcing and natural staying power make it an attractive choice for those who want an organic mulch that stays in place without chemical binders. Compared to cedar or pine mulches, it’s less aromatic but more affordable and readily available. Its ability to retain moisture and support soil health makes it particularly suitable for vegetable gardens and lawn repair. However, it may need to be replaced if heavily washed away or broken down, and coverage depends on the layer thickness. This mulch excels where affordability and natural composition matter most. Ideal for organic vegetable gardeners and lawn seeding projects. It’s less suited for decorative landscaping or pest control compared to cedar or pine mulches.
Pros:- All-natural and sustainably sourced
- Retains soil moisture effectively
- Supports healthy soil and plant growth
Cons:- May require replacement if heavily washed away
- Coverage depends on layer thickness
Best for: Gardeners seeking an affordable, all-natural mulch for vegetable beds, lawns, or seed starting where natural material and moisture retention are priorities.
Not ideal for: Design-focused landscapers or those needing long-lasting decorative mulch, as wheat straw may degrade faster and lacks aromatic qualities.
- Weight:20 lbs
- Volume:3 cu ft
- Material:Wheat straw
- Coverage:Up to 100 sq ft at 2-3″ layer
- Coverage:600 sq ft for lawn seeding at ¼” thickness
Our verdict“This wheat straw mulch is best suited for organic vegetable and lawn projects that prioritize natural materials and cost-effectiveness.”
Garden Elements Natural Cocoa Bean Shell Mulch – 2 cu ft
This mulch stands out for its natural cocoa bean shells, which provide a rich chocolate aroma that can enhance garden ambiance. Compared with the more traditional straw or bark mulches, it offers a unique sensory experience, though its vibrant dark color may fade faster in direct sunlight. Its lightweight nature makes spreading effortless, and the nutrient content offers some plant benefits, making it ideal for decorative beds. However, its toxicity to pets is a significant concern for households with dogs or small animals, limiting its use around animals. This mulch is best suited for gardens where aesthetics and aroma take priority over pet safety.
Pros:- Natural, chemical-free mulch with a pleasant chocolate aroma
- Effective for moisture retention and weed suppression
- Fade-resistant dark brown color enhances garden appearance
- Lightweight and easy to spread
Cons:- Toxic to dogs due to theobromine and caffeine
- May be harmful to pets if ingested
Best for: Gardeners wanting a visually appealing, fragrant mulch for flower beds and decorative areas, without pets nearby.
Not ideal for: Pet owners with dogs or cats, since ingestion can be toxic and pose health risks.
- Material:Cocoa bean shells
- Volume:2 cu ft
- NPK:2.5-1-3
- pH:5.8
- Toxic to Pets:Yes
Our verdict“This mulch is perfect for aesthetic-focused gardens where pet safety isn’t a concern.”
EZ Straw Seeding Mulch with Tack – Biodegradable Processed Straw, 1 cu. ft. Bale
This biodegradable straw mulch with tackifier is tailored for seed germination and erosion prevention, making it an excellent choice for new lawns or hillside planting. Compared with the cocoa mulch, it excels at holding seeds in place and reducing washout, although it may lack the visual appeal of decorative mulches. Its included tackifier helps keep the mulch intact during heavy rain, but proper application is essential to avoid uneven coverage or material dispersal. The compact 1 cu ft. bale covers around 250 square feet, making it efficient for large seeding projects. Its eco-friendly nature and moisture retention capabilities make it a practical choice for landscaping professionals and DIYers focusing on plant establishment.
Pros:- Biodegradable and environmentally friendly
- Helps retain soil moisture and speeds germination
- Includes tackifier to hold mulch together
- Large coverage area for the size
Cons:- Packaging may vary, affecting consistency
- Requires careful application for uniform results
Best for: Homeowners and landscapers seeding new lawns or stabilizing slopes who need an effective, biodegradable mulch.
Not ideal for: Gardeners seeking decorative mulch for flower beds, as this product prioritizes function over aesthetics.
- Weight:1 cu. ft.
- Coverage:250 sq. ft.
Our verdict“This mulch works best for seeding projects where erosion control and moisture retention are priorities, not visual appeal.”
How We Picked
These products were evaluated based on their organic content, durability, ease of application, price per volume, and environmental impact. I prioritized options that offer reliable performance in moisture retention, weed suppression, and soil protection. The ranking reflects a balance of value and quality, with top picks excelling in overall versatility and eco-friendliness. Products were compared for their user-friendliness, longevity, and suitability for different garden types. This approach ensures that each recommendation targets specific needs, from budget-friendly choices to premium organic options.Factors to Consider When Choosing Best Garden Mulches
Choosing the right garden mulch requires understanding several key factors that influence how well it performs and how long it lasts. Different garden conditions and personal priorities will shape what makes a mulch ideal for your landscape. Considering these factors carefully can help avoid common mistakes like overspending on unnecessary features or selecting a mulch that breaks down too quickly. Here are the main considerations to keep in mind:Organic vs. Inorganic Mulches
Organic mulches, such as straw, wood chips, and coconut husk, decompose over time, enriching soil with nutrients and promoting healthy microbial activity. Inorganic options like rubber or stone are more durable but do not contribute to soil fertility. Your choice depends on whether you prioritize soil health or long-lasting weed suppression with minimal maintenance. Organic mulches typically cost less upfront but may require more frequent replenishment. In contrast, inorganic mulches are ideal for low-maintenance landscapes but lack the ecological benefits of natural materials.
Durability and Longevity
Some mulches, like cedar or pine bark, are designed to withstand weathering and last several seasons, making them suitable for long-term landscape projects. Others, such as straw or coconut husk, decompose faster, providing quick soil benefits but requiring more frequent replacement. If you have a busy schedule or want less frequent upkeep, investing in more durable options makes sense, even if they cost more initially. Conversely, if you’re aiming for a quick, budget-friendly fix, shorter-lived mulches can work well, especially in vegetable gardens or temporary beds.
Cost and Quantity
Pricing varies widely depending on material type, size, and brand. Cheaper mulches like straw or pine needles often come in larger quantities at lower prices, offering good value for large areas. Premium mulches like cedar or coconut husk tend to be more expensive but provide longer-lasting weed control and aesthetic appeal. Always compare cost per volume or weight, and factor in how much you’ll need for your space. Remember, paying more upfront for a durable mulch might save money in the long run by reducing replacement frequency.
Environmental Impact
Eco-conscious gardeners should favor biodegradable, organic options like straw, coconut husk, or wood chips, which decompose naturally and support soil health. Synthetic mulches, while durable, are less sustainable and may leach chemicals over time. Consider the source of your mulch—certified organic products often come from sustainably managed resources. Using locally sourced materials can also reduce environmental footprint and support regional economies. Choosing biodegradable mulches aligns well with sustainable gardening practices, especially in vegetable and flower beds.
Ease of Application and Maintenance
Some mulches, like shredded bark or coconut husk, spread easily and stay in place better, reducing the time spent during installation. Others, like straw, may require occasional raking to keep neatness and effectiveness. Consider the texture and size of the mulch—smaller particles tend to settle more uniformly but might wash away more easily in heavy rain. Additionally, think about the initial preparation—pre-washed or pre-treated mulches can simplify the process. Ease of handling can significantly influence your gardening experience and ongoing maintenance effort.
Frequently Asked Questions
How often should I replace garden mulch?
The frequency of replacing garden mulch depends on the material used and your garden conditions. Organic mulches like straw or coconut husk typically need replacement every 6-12 months as they decompose, while durable options like cedar or bark can last several years with minimal replenishment. Regularly check the mulch layer to ensure it remains effective at weed suppression and moisture retention. Replenishing mulch not only maintains its benefits but also enhances the appearance of your garden beds.
Can I use mulch around edible plants?
Yes, many organic mulches such as straw, coconut husk, or pine needles are safe around edible plants. They help retain soil moisture, suppress weeds, and add organic matter as they break down. However, avoid using mulch with chemical additives or dyed materials that might contaminate your produce. Properly composted or natural mulches are preferable for vegetable gardens, ensuring you avoid potential chemical residues and support healthy plant growth.
What is the best mulch for weed suppression?
For effective weed control, dense and long-lasting mulches like cedar bark or rubber are excellent choices. These materials form a physical barrier that prevents weed seeds from germinating and emerging. Organic options like straw or pine needles also work well but may require thicker layers and more frequent replenishment. Combining mulch with proper garden bed preparation can significantly reduce weed growth and save time on maintenance.
Are there any mulches I should avoid in my garden?
Some mulches can introduce problems if not chosen carefully. For example, dyed or chemically treated wood chips might leach toxins into the soil, and certain rubber mulches may contain chemicals that could affect soil health. In addition, materials like fresh manure or composted waste may contain pathogens or weed seeds. Always select mulches from reputable sources and avoid anything that might compromise plant health or soil quality.
How do I choose the right mulch for my climate?
Your climate influences the best mulch choice—drier areas benefit from mulches that retain moisture, like straw or coconut husk, while wetter climates may require more durable options like bark or cedar. In regions with heavy rainfall, selecting mulch that resists quick decomposition can reduce the need for frequent reapplication. Also, consider whether your garden faces extreme temperatures, as some mulches can insulate plants better than others. Matching mulch type to climate helps optimize plant health and minimizes maintenance.
Conclusion
For most gardeners, the Brut Organic Aspen Mulch offers a reliable all-around choice with balanced performance and affordability, making it ideal for general landscape use. Budget-conscious homeowners will find the HealthiStraw Garden Straw Mini provides great value, especially for vegetable beds and temporary projects. Those seeking longevity and premium appearance should consider the Back to the Roots Organic Coconut Husk Mulch, which excels in eco-friendliness and durability. Beginners will appreciate the ease of application with straw or shredded bark, while experienced gardeners focused on sustainability should prioritize organic, biodegradable options. Ultimately, your selection depends on your specific garden needs, climate, and budget—use this guide to match the right mulch to your gardening goals.
