
Mushroom compost is a nutrient-rich blend of wheat straw, cottonseed meal, corncobs, and other organic materials. It is created during the mushroom-growing process and is said to improve soil structure and increase nutrient retention. You can buy mushroom compost from a variety of retailers, including Walmart, Lowe's, The Farm at Green Village, and Mushroom Compost Supply, LLC. These companies offer mushroom compost in various quantities, from 40-pound bags to tractor-trailer loads.
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What You'll Learn

Mushroom compost at Walmart
Mushroom compost is available at Walmart, with a variety of options to choose from. The price of mushroom compost at Walmart ranges from $6.97 to $75.98, depending on the brand and quantity. Here are some of the brands of mushroom compost sold by Walmart:
- Espoma: Offers 0.75 cubic feet of organic mushroom compost that covers 0.75 square feet.
- Oldcastle Lawn & Garden: Provides 0.75 cubic feet of natural mushroom compost.
- Greensmix: Their organic mushroom soil compost comes in a 1 cubic foot package.
- Black Kow Organic Brands: Offers a 40-pound mushroom growing mix compost suitable for vegetables, flower gardens, shrubs, and trees.
- Coast of Maine: Features a 40-pound premium mushroom compost fertilizer.
In addition to these brands, Walmart also offers other mushroom-related products such as the Halatool Horticulture Vermiculite, a professional soil additive for plants, including mushrooms, and the Bexikou Organic Vermiculite, a potting mix and soil conditioner additive suitable for mushrooms.
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Mushroom compost at Lowes
Mushroom compost is available at Lowes.com in the Soil Amendments department. The website offers two types of mushroom compost: Oldcastle Black Velvet and Gardenscape. Both products are organic compost that provides organic nutrients and improves soil structure. The Oldcastle Black Velvet mushroom compost is perfect for vegetable and flower gardens, hanging baskets, shrubs, and trees. It can be mixed with planting soil or native soil. The Gardenscape Mushroom Compost is an all-natural organic soil conditioner that improves soil structure. Both products are offered in 40-lb packages.
The Oldcastle Black Velvet mushroom compost is currently on offer at Lowes.com. The offer cannot be used in conjunction with any other credit-related promotional offers, discounts, markdowns, or other promotions, including Lowe's volume or special discount programs. It also excludes services such as rentals, extended protection plans, shipping, delivery, and installation fees. The offer is not valid on fees, taxes, gift cards, or Weber and Kichler products.
The Gardenscape Mushroom Compost is also subject to similar terms and conditions regarding promotional offers, discounts, and exclusions. Lowe's reserves the right to discontinue or alter the terms of these offers at any time.
Customers can purchase the mushroom compost online at Lowes.com and have it delivered to their homes. Alternatively, they can check the stock availability at their local Lowe's store and pick it up themselves. By entering their zip code on the product page, customers can find the nearest store that has the compost in stock.
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The Farm at Green Village
In addition to The Farm at Green Village, there are other suppliers of mushroom compost, including Gardenscape, which offers organic mushroom compost that improves soil structure and is available at Lowe's. Online retailers like Walmart also carry various brands of mushroom compost, such as Oldcastle Lawn & Garden, Espoma, and GS Plant Foods. These products can be purchased in different quantities, ranging from 0.75 cu ft to one gallon, and are designed to enhance soil health and plant growth.
Mushroom Compost Supply, LLC is another notable distributor and bulk supplier of mushroom compost. They ship tractor-trailer loads of compost throughout the USA. The compost they provide is a dark, rich, and moist mixture of various organic materials, similar to the composition described by The Farm at Green Village. This distributor specifically caters to commercial mushroom farms, and their compost is used to grow mushrooms before being removed and replaced with a new batch for the next crop.
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Mushroom Compost Supply, LLC
The process of creating mushroom compost is quite fascinating. This nutrient-rich compost is produced by mushroom growers who use organic materials such as horse manure, bedding, straw, hay, cocoa hulls, poultry manure, gypsum, and corn cobs. These materials are carefully combined and composted for several weeks. The mixture is then moved into a large room where it undergoes complete sterilization. Following this, the compost is placed into growing trays, marking the beginning of the mushroom growing cycle.
Mushrooms have a very short window for growth in this mixture. After 18-20 days, the compost is removed and replaced with a fresh batch for the next crop. The used compost is then loaded directly into trucks and shipped out. This timely process ensures the compost is not nutritionally depleted and prevents potential contamination from fungi and bacteria that could thrive in the dark and moist growing environment.
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Gardenscape mushroom compost
Mushroom compost can supply vital nutrients to plants and increase the water-holding capacity of the soil. It is best to mix it with regular garden soil because the strength of the concentrated nutrients could harm young plants, seedlings, and seeds. Gardenscape Mushroom Compost is available in 40-pound bags.
In addition to mushroom compost, Gardenscape offers a range of other soil products, including potting soil, topsoil, peat humus, and manures. Their potting soil is a blend of peat humus, sphagnum peat moss, vermiculite, perlite, dolomitic limestone, and other composted materials. It provides fresh nutrients and helps with drainage to prevent root rot. It comes in 8, 20, and 40-pound bags.
Gardenscape's topsoil is a mixture of soil, composted cow manure, sand, and other ingredients. It can be used as a top dressing, for patching lawns, filling holes, levelling low areas, and building landscape beds and gardens. Their topsoil also comes in 40-pound bags. Gardenscape also offers professional mixes, which are blended with ingredients desired by professionals for superior growing results. These mixes are ideal for potting bulbs and root cuttings.
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Frequently asked questions
Mushroom compost can be purchased from several online retailers, including Walmart, Lowe's, and The Farm at Green Village.
The price of mushroom compost varies depending on the retailer and the quantity purchased. For example, at Walmart, prices for mushroom compost start at $19.95, while The Farm at Green Village offers a 40-lb bag of mushroom compost, but the price is not listed.
Mushroom compost is made from a variety of organic materials such as wheat straw, peat moss, cottonseed meal, cottonseed hulls, corncobs, cocoa bean shells, gypsum, lime, chicken litter, and horse stable bedding.
The ingredients for mushroom compost are combined and composted for several weeks. The mixture is then sterilized and placed into growing trays to begin the mushroom growing cycle. After 18-20 days, the compost is removed and replaced with a new batch for the next crop.
Mushroom compost is a rich and moist mixture that improves soil structure and increases nutrient retention and microbial activity. It also aids in moisture retention, reducing the need for frequent watering. Additionally, mushroom compost can be incorporated into the soil prior to planting or used as a topdressing for existing plants.























