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What’s all the Fuss about Worm Castings?

March 12, 2022

What are Worm Castings?

100% organic manure left behind from worms after they digest and secrete soil and organic material. 

Benefits of Worm Castings

Castings contain 5% more nitrogen than regular soil. After worms digest the soil, they leave behind a refined, more useable form of micronutrients, minerals, and trace elements. Because of a natural mucus that the worms produce,  the nutrients are made available through a slow- release process which will not burn plants. Seedlings and mature plants can be planted directly into worm castings. Because of the refining process and the quick availability of nutrients, microbes/good bacteria will increase in the soil, allowing for increased uptake of these nutrients into plants. More microbes equal more food available for plants. 

Castings help tremendously with moisture retention by improving the soil structure, making the soil more absorbent. This is especially important in keeping plants from drying out in times of droughts. 

Not only is this manure nutritious but it also aides in detoxifying the soil by helping to remove heavy metals and other toxins. This manure is also pH neutral of 7.0 which can be added or amended into soil type.

How to Apply Worm Castings

We carry 1 cubic foot bags of worm castings at our store in Marshfield. To apply, simply spread over your lawn, landscape beds, vegetable gardens, or indoor plant pots. You can’t use too much, and any amount will help the nearby plants. Try to keep the castings from drying out in the first few weeks so they can mix into the soil.

Dave Ruzicka