Home Gardening Mushroom Compost: A Complete Guide for Gardeners

Mushroom Compost: A Complete Guide for Gardeners

by Gregory
2 minutes read

Mushroom Compost: A Guide for Gardeners

What is Mushroom Compost?

Mushroom compost is a byproduct of the mushroom industry. It’s made from a mixture of composted straw and manure that has been used to grow mushrooms. After the mushrooms are harvested, the compost is sterilized to kill any pests or diseases.

Benefits of Mushroom Compost

Mushroom compost is a great soil conditioner and mulch. It’s high in organic matter, which improves the structure and aeration of soil. It also helps the soil retain moisture and drain better.

Mushroom compost also provides nutrients that plants need to grow. It’s especially good for vegetables, as it helps prevent club root in brassicas and blossom end rot in tomatoes.

Where to Use Mushroom Compost

Mushroom compost can be used as a general mulch on flower beds, shrub borders, and around trees. It can also be used to improve waterlogged or clay soils.

Avoid using mushroom compost on acid-loving plants, such as rhododendrons and azaleas, as it can make it difficult for them to absorb nutrients.

When to Use Mushroom Compost

Mushroom compost should be applied in the spring as a mulch or soil conditioner. Spread a 5cm layer over the surface of the soil and leave it for a week before sowing seeds.

Buying Mushroom Compost

Spent mushroom compost is available from garden centers and online retailers. Make sure you’re buying compost that has already been used for growing mushrooms.

Using Mushroom Compost in Containers

Mushroom compost can be used to grow plants in containers, but it should be mixed with garden soil in a ratio of 1:3 to reduce the concentration of soluble salts.

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