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Contact Information

Email: office@sonomacompost.com
Our Line of Products That Met Your Needs
Sonoma Compost Co. is proud to offer soil amendments once again. Each product, made from recycled materials* (click to see disclaimer), is designed to meet the needs of agrarians, landscapers and the backyard gardener. Please, browse this page to select the product that works best for your soil, your plants and you. You can refer to the table to estimate how much material you will need or you can use an online calculator
For our cancelation/refund policy please see our policy here

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Click on Products Below to See Pricing and Description

Nicasio Blend

Hi-Test Compost

Mallard Plus

Vineyard Mulch

Path Mulch

Tree Mulch

Ultra-Light Mulch

Amended Soil (Equivalent available)

Compost/Mined Lime Blends

Deck Mix

Nicasio Blend
Sonoma CompostThis dark, rich, premium quality compost is made from recycled yard trimmings, dairy manure and horse manure. Nicasio Blend is recommended for applications that do not require high nitrogen content such as trees, shrubs, grape vines and natives. Or, for high nitrogen loving plants you can supplement nitrogen to meet the plant's needs.
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Provides valuable organic matter to soil, making it easier to work and more productive. In sandy soil it increases moisture-holding capacity, making soil nutrients more available to plants. In heavy clay soils, porosity is increased which improves aeration in the root zone and overall drainage.

Nicasio Blend provides a wealth of slow release nutrients and beneficial microbes to your soil and plants. It's screened to approximately <1/2".


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Hi-Test Compost
Organic Hi-Test CompostAll the benefits of Nicasio Blend but with higher nitrogen content from the inclusion of High-N Manure.
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Hi-Test Compost is great for new gardens and landscapes, especially where soils have been neglected or overworked. In addition to improving soil structure, our Hi-Test Compost will give new plants the nitrogen needed for a vibrant start.

It's an excellent long-term soil conditioner and will add moisture-holding capacity to sandy West County soils. It’s screened to approximately <½”.

 


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Mallard Plus
Organic Hi-Test CompostAll the benefits of Hi-Test Compost but with the inclusion of rice hulld to provide better drainage for heavy clay soils.
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Mallard Plus is great for new gardens and landscapes, particularly in raised beds and heavy clay soils. The nutrient value will support vegetables, flowers and other heavy feeders.

It's an excellent long-term soil conditioner It’s screened to approximately <½”.

 


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Vineyard Mulch, Screened
Vineyard MulchAn affordable, organic alternative to expensive bark products, Screened Vineyard Mulch provides great background color and texture in landscaping applications. It suppresses weeds, conserves moisture, moderates soil temperatures, and controls erosion.
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Vineyard Mulch undergoes a brief composting process at over 131°F that renders it virtually free of weed seeds and plant pathogens. To activate the process water from a dairy manure pond was used. As it slowly breaks down, it provides the organic matter, nutrients and microbes that help plants thrive.

Worms thrive in soils that have a generous layer of Vineyard Mulch. Their tunneling activities allow oxygen to get to plant roots and their castings provide a beneficial nutrient input.

Fungi are prolific in mulches since they are working hard to break this material down. This fungal activity plays a crucial role in improving soil structure by aggregating the soil. Occasionally, during the wet season, these fungi make their presence known by producing fruiting bodies: mushrooms. This a natural occurence, inherent to decomposition. For those who do not appreciate those 'guests' can simple rake the mushrooms and they will disappear rapidly.

Vineyard Mulch is ideal for the demanding needs of North Coast grape growers. It's particularly suited for use on steep, hillside vineyards and when properly applied will reduce soil loss from erosion by up to 95%. It's easily applied by hand or with a tractor pulled spreader.

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Tree Mulch, Screened -- Now Available
Blonde MulchTree Mulch is derived from tree stumps and logs. As such it is kind of a hybrid between Vineyard Mulch and Path Mulch. An affordable, organic alternative to expensive bark products, Screened Tree Mulch provides great background color and texture in landscaping applications. It suppresses weeds, conserves moisture, moderates soil temperatures, and controls erosion.
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Worms thrive in soils that have a generous layer of Tree Mulch. Their tunneling activities allow oxygen to get to plant roots and their castings provide a beneficial nutrient input.

Fungi are prolific in mulches since they are working hard to break this material down. This fungal activity plays a crucial role in improving soil structure by aggregating the soil. Occasionally, during the wet season, these fungi make their presence known by producing fruiting bodies: mushrooms. This a natural occurance, inherent to decomposition. For those who do not appreciate those 'guests' can simple rake the mushrooms and they will disappear rapidly. This product is only available for a limited time, until the batch is sold.

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Path Mulch, Screened -- Now Available
Path MulchPayh Mulch is derived from wood scraps including dimensional lumber, plywood and particle board. Painted wood and pressure treated wood are not accepted, although some traces of paint are from pallets. An affordable, alternative to expensive bark products, Path Mulch provides great durable, walk-on mulch for landscaping applications. It suppresses weeds, conserves moisture, moderates soil temperatures, and controls erosion.
(Click picture to enlarge)

Fungi are prolific in mulches since they are working hard to break this material down. This fungal activity plays a crucial role in improving soil structure by aggregating the soil. Occasionally, during the wet season, these fungi make their presence known by producing fruiting bodies: mushrooms. This a natural occurance, inherent to decomposition. For those who do not appreciate those 'guests' can simple rake the mushrooms and they will disappear rapidly.

Disclaimer: Path Mulch is made from recycled dimensional lumber, plywood, pallets, etc. Painted wood and pressure treated wood are not allowed.  Some residual paint from pallet sides may be present. While the grinder and screen are equipped with magnets to remove nails, some nails may be present.  Not recommended for playgrounds.

 


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Ultra-Light Mulch
Path MulchThe hybrid mulch that has qualities of compost will finish off any landscape just perfectly. While the mulch will initially act as a weed suppressant, as it breaks down it will help feed your soil. As the name implies, this mulch is lightweight and easy to work with. Landscapers specify Ultra-Light Mulch when a neat appearance or distinctive border is desired.
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Amended Soil -- Now Available
Feather-Lite Amended SoilPlant directly into Amended Soil. It's great for filling raised beds, replacing poor quality soil, adding elevation or leveling a project site, or filling in behind a retaining wall.
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Amended Soil is a good looking blend of clean soil and a base compost. Since a high quality topsoil is used, rather than a mined soil, no weed-free guarantees can be made.


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Deck Mix
The ultimate affordable soil amendment, Deck Mix is a blend of all our products that occurs when we sweep our pad. You'll find Nicasio Blend, Hi-Test Compost, Mallard Plus, Amended Soil, Vineyard and other Mulches in this blend. Use Deck Mix as a mulch or amendment for flowers, shrubs and other ornamentals. Great as a tree mulch too!

Not recommended for veggies.

Note: custom blends may only be fulfilled in the dry season weather permitting.

Please allow up to one week for us to prepare your blend from when you have the amendments delivered.


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Compost Blends -- Now Available
You have specific needs for oyster shell, greensand, worm castings, etc. to apply directly with your compost? Sonoma Compost can make your custom blend. You may order the amendments from your supplier and have it delivered to Sonoma Compost. A blending fee of $5.00 per finished cubic yard applies, minimum blending fee $25.00.

You can save labor and get a more even application of amendments when you blend them all together with your compost before application. With one application all of your amendments are in place.

Note: custom blends may only be fulfilled in the dry season weather permitting.

Please allow up to one week for us to prepare your blend from when you have the amendments delivered.


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Product Disclaimer
Our current products are very clean. However, they are recycled materials, not virgin feestocks. Very small pieces of non-organics may be found.
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Cancelation/Refund Policy
After you place an order you can always cancel at no cost as long as your delivery has not started yet. You will not be billed. Please cancel your orders no later than 2 hours before your scheduled delivery. Sonoma Compost strives to have happy customers. If you are not satisfied please let us know. If the wrong product has been delivered, we will gladly replace the order with the right product. If our product did not perform as it should we will replace it or give you a refund. We will always evaluate the propblem you report and do our best to find a solution.


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Sonoma Compost - Email - office@sonomacompost.com