What Is Worm Casting Soil

Worm castings are an organic form of fertilizer produced from earthworms. Also known as vermicast, worm castings manure is essentially earthworm waste, otherwise known as worm poo. … Worm castings resemble football-shaped particles that improve soil aeration and drainage, as well as increase water retention in the soil.

Are worm castings good for all plants?

Because worm castings are mild yet nutrient-rich, all types of plants will benefit from a little worm poo lovin’. We use them on flowers, veggies, perrenials, houseplants, fruit trees, cannabis, herbs, for starting seedlings and more.

Is worm casting better than compost?

Worm castings have much higher percentages of humus than either soil or compost, which helps the castings hold more water and stay aerated, while also providing binding sites for micronutrients that would otherwise wash out of soil during heavy rains.