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Can you grow plants in pure worm castings?

3 min read

Asked by: Jennifer Jackson

Absolutely! 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.

Can you grow in 100% worm castings?

So there you go Kevin Stanton you definitely can grow in 100% worm castings however I believe your worm castings can go much further if you use them around about 10 to 15% in your pots.

Can you put too much worm castings in soil?

Can you use too much of your worm castings? Unlike commercial fertilizer, worm castings won’t burn through the roots of your plants and flowers if you use too much. Your only issue with using too much worm castings is if you don’t have enough to share with all your plants!

Can you plant with just worm castings?

Castings, the end product of worm digestion, can improve soil and plant health for indoor and outdoor plants. They’re so beneficial, in fact, that some gardeners raise their own worms. But there’s a much easier way to bring the benefits of earthworm castings to your garden and home.

Are worm castings worth it?

Because worm castings contain high levels of nutrients and are beneficial for plant hydration and aeration, they’re a great choice for smaller-scale vegetable gardens. However, worm castings can vary quite a bit in quality, and they are usually more expensive than compost and other soil additives.

What are the disadvantages of worm castings?

The Disadvantages of Worm Castings

  • Time: It takes time to create quality worm castings. 90 days is the minimum and it may take up to a year depending on your system. …
  • Cost: Worm castings certainly cost more than chemical fertilizers. …
  • Scalability: It is easy to produce small amounts of worm castings.


How long do worm castings last in the soil?

Worm castings can last up to 6 months – and sometimes longer – depending on the method of storage. Keeping them out of UV light (e.g. the sun and some grow lights) and at a stable temperature helps them last longer.

Is worm castings better than fertilizer?

Composting manure can take time, but worm composting can take three months to prepare. Also, the worm castings are more nutrient-rich and have higher organic matter levels. It is more cost-effective to use worm compost as a fertilizer than manure.

Which is better worm castings or 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.

Are worm castings compost or fertilizer?

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. As these creatures eat through compost, their waste creates an optimal soil enricher.

Can I just use worm castings instead of fertilizer?

Are worm castings considered fertilizer? Yes, worm castings are an organic and 100% natural form of fertilizer… but that’s not all! They’re also a fantastic soil amendment. According to the University of California, “fertilizers improve the supply of nutrients in the soil, directly affecting plant growth”.

Are worm castings good for tomatoes?

Tomatoes benefit from slow-release fertilizer like worm castings. Balancing your soils to encourage microbes makes nitrogen and other nutrients available to the plant without the risk of burning.