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Hours: Mon–Fri 8am–4pm | Sat 8am–3pm | Sun: Closed 
Soils & Compost for Healthy, Thriving Landscapes
Quality Soil Makes the Difference
Healthy landscapes begin with high-quality soil. The right soil blend improves drainage, supports root development, and provides the nutrients plants need to thrive.
At Sequoia Landscape Materials, we provide tested, consistent soil blends and compost used by both homeowners and professional landscapers across Sonoma County. Whether you’re planting a garden, preparing raised beds, installing a new lawn, or working on a large landscape project, we have the right soil mix to support long-term plant health.
All materials are available for pickup or delivery, with bulk ordering available for larger projects.
Featured Soil & Compost Products
Sonny's Organic Compost
Sonny’s Organic Compost provides a wealth of slow release nutrients and beneficial microbes to your soil and plants. This is an excellent long-term soil conditioner, and will add moisture holding capacity to those West County Soils.This will help improve soil structure and give plants the nitrogen needed for a vibrant start. Sonny’s Organic Compost consists of: Compost made from recycled yard trimmings to increase the nitrogen level. This is a nice rich dark compost. This will introduce a beneficial dose of microorganisms to your soil. Sonny’s Organic Compost is organic.
Organic Garden Mix
Spring is here and it’s time to plant that garden. We have a light weight, free draining soil blend that will get your garden off to a great start. Our Organic blend is excellent for raised beds and for incorporating into existing gardens and containers. Our Organic Garden Mix includes: Worm castings, composted horse manure , loam, delta sand, lava sand, peruvian seabird guano, aged forest mulch, approved fertilizers such as feather meal & bone meal. This works well as a planting mix for heavy feeding plants.
Cold Creek Compost
This is it! The compost that will put life back into your soil. Once you use this compost you will come back for more. Our higher end compost is OMRI listed and full of nutrients. This compost contains: 25% Chicken manure, 75% containing grape pumice and fully composted yard trimmings for proper porosity and carbon/nitrogen balance. It has a rich black color and is fully composted. OMRI listed
Plant Mix
This is a premium light weight planting mix. Perfect for herbs, veggies and flowers. You can amend your soil or plant directly into this mixture.Our plant mix consist of a blend of chicken compost, sandy loam, lava sand, aged forest mulch, and a slow release fertilizer 15-15-15 (nitrogen, phosphorous,potassium).
Amended Loam
Amended Loam has a 40 % dirt base. Great for new lawns, mounding and general planting. This soil will retain moisture due to the heavy dirt base. Our Amended Loam consist of: Sandy loam, organics with a 15-15-15 fertilizer (nitrogen, phosphorous, potassium). Ph balance at approximately 6.5 to 6.9.
Additional Soil Amendments
Oyster Shell Lime (50 lb bag)
Oyster shell lime is a natural organic source of high-quality calcium carbonate.
It improves fertilizer utilization, enhances water penetration, and supports better soil aeration and structure.
Typical application rates vary depending on soil conditions.
For rapid pH correction apply approximately 4–6 pounds per 100 sq ft.
Gypsum (40 lb bag)
Gypsum is commonly used to improve clay soils by helping small clay particles combine into larger aggregates.
This improves soil drainage, aeration, and overall soil structure.
Gypsum also adds soluble calcium and sulfur, helping plants absorb nutrients more efficiently.
For heavy clay soils apply approximately 20–40 pounds per 100 sq ft.
Current Material Pricing
| Product | Price Per Yard |
|---|---|
| Organic Garden Mix | $65.95 |
| Plant Mix | $55.00 |
| Amended Loam 40% dirt base | $51.95 |
| Sonny’s Organic Compost | $39.50 |
| Cold Creek Compost Organic | $54.00 |
Prices are subject to change.
Cubic Yard Calculator
Use this calculator to estimate the number of cubic yards required for your project based on the length, width, and depth of the area you want to cover.
This calculator is commonly used for materials such as: Soil, Compost, Mulch, Sand, Gravel, Decorative rock
Cubic Yard Calculator
Coverage Estimates
Estimating the correct amount of soil or compost helps ensure your project runs smoothly and prevents unnecessary costs.
As a general guideline:
1 cubic yard covers approximately 100 square feet at a depth of 3 inches.
Use our Cubic Yard Calculator to estimate the amount of material required for your project.
Bulk Soil Delivery Available
We offer reliable delivery six days a week throughout the Santa Rosa area. Our fleet includes both small and large trucks, allowing us to deliver materials for projects of any size.
Split-load delivery is available, allowing two different materials to be delivered in one trip at no additional charge.
This service is especially helpful for large landscaping projects and contractor jobs.
Other Landscape Materials
Need Help Choosing the Right Soil?
If you’re unsure which soil blend or compost is best for your project, our team is happy to help.
Visit our yard or contact us for expert recommendations.
Address:
1330 King St., Santa Rosa, CA
Hours:
Sat: 8am–3pm; Sun: Closed