BugFreak Navarre (NW FL), FL(Zone 8b) May 25, 2005. Mushroom compost can often be bought cheaply in bulk for use as a soil conditioner or mulch. More. The Compost Centre is a manufacturer and supplier of quality composts, soil improvers, topsoil, bark and various blends. Mark unread; Skip to new; Mark unread Print Skip to new. The compost is made from wheat straw, gypsum, chicken manure and peat. Mushroom Compost- Great for revitalising spent soil and to boost soil biology.- Made from Straw, Peat and Chicken Manure. Mushroom Compost improves the texture of the soil to help plants thrive. Sims Bark Mushroom Compost is an organic, nutrient-rich product that boosts soil in numerous types of potting and planting applications. Item #383832 Model #GMUC4. closed. Where to buy mushroom compost in LARGE quantities? Unweathered Mushroom Compost . Get Pricing and Availability. slider closed. Also available in 25 litre bags (1 for $10, 3 for $25, 10 for $75) product also as a mulch for water-retention purposes during dry weather. Use Current Location. Characterized by a coarse texture, brown colour, and a sweet smell. Gardenscape 40-lb Soil Conditioner Mushroom Compost. This material is produced under carefully controlled conditions and is a by-product of the mushroom growing industry. This is the kind of compost that our delicious mushrooms grow in. Mushroom Compost is a valuable by-product of the mushroom growing industry. I live in the FL panhandle and any info would be much appreciated. I live in the FL panhandle near Pensacola FL and any info would be much appreciated. Watch Reply. Mark unread; Skip to new; Mark unread Print Skip to new. Watch Reply. We have also recently introduced a range of the most popular professional landscaping materials, supplied bagged or loose. Does anyone know where these people who sell this stuff get it from? Weathered Mushroom Compost Where to buy mushroom compost in LARGE amounts? Used for planting flowers, lawn, trees and shrubs. Check Other Stores closed. However, it often contains some peat which is no longer recommended for horticultural use due to the damage to peatland ecosystems which contribute to climate change. It is usually available as ‘spent’ mushroom compost, referring to the fact it is the compost left over from mushroom farming. Improves clay and sandy soils. It is suitable for use as mulch, or can be incorporated into the soil as any other compost. - Sold by 1/3 of a cubic metre, this will cover 5m3 at a depth of 50mm. It is blended together and pasteurised prior to the growing process and then once it had completed its cycle is steam sterilized to kill any pathogens or spores before removal from the growing sheds. Does anyone know where these people who sell this stuff get it from? Mushroom compost is a type of slow-release, organic plant fertiliser. Use this 40 lbs. BugFreak Navarre (NW FL), FL(Zone 8b) May 25, 2005. More. Adds slow release nutrients. The basic ingredients of this compost are horse manure, poultry manure and wheat straw.