Best Worm Castings for Indoor Plants

Best Worm Castings for Indoor Plants

Worm castings are a great fertilizer for indoor plants. They are high in nitrogen, potassium, phosphorous, and other nutrients that help plants grow big and strong. On this page, you’ll find the best worm castings for indoor plants that are completely odor-free and come in convenient resealable bags.


Best Worm Castings for Indoor Plants

VermisTerra – Standard Earthworm Castings
Espoma Organic Earthworm Castings
Dr. Verm’s Premium Worm Castings
Worm Bliss Premium Vegan & Organic Earthworm Castings
Worm Factory 360 Worm Composting Bin



Best Worm Castings for Indoor Plants



VermisTerra – Standard Earthworm Castings – Organic 10 LB

VermisTerra Worm Castings (Buy Online) are made by red wiggler worms that eat food scraps and excrete nutrient-rich organic matter into a great natural fertilizer for your indoor plants. These castings are 100% natural, non-toxic, odorless, easy to use, and affordable.

Plus, these worm castings will improve the health of your plants by adding beneficial microbes and nutrients back into your potting soil which will make your plants stronger & healthier than before. They also help retain moisture so you don’t have to water as much.

The best part? These castings contain no harmful chemicals like synthetic fertilizers do. And they’re safe for kids & pets too.



Espoma 839293 Ec4 Organic Earthworm Castings, 4 Quart

Espoma Organic Earthworm Castings (Buy Online) are the best worm castings for indoor plants because they provide organic nitrogen and add organic matter to soils. They also help promote root development in your houseplants by adding nutrients that are essential for healthy plant growth.

These worm castings have no burning properties so they won’t harm tender roots of young seedlings or cuttings. And they are designed for use with all types of potted flowers, vegetables and herbs indoors as well as outside in raised beds



Mountain Valley Seeds Earth Worm Castings Earth Worm Castings – Organic Red Worm Compost Soil Amendment – .13 Cubic Foot ~6 Lbs – Approximately 1 Gallon

Mountain Valley Earth Worm Castings (Buy Online) is an all-natural product made from earthworm castings (or worm poop). It’s safe enough to use on houseplants, cacti, succulents, herbs, and large outdoor gardens alike. This organic plant food will make sure all of your indoor plants get the nutrients they need while also helping them fight off disease. Plus, these worm castings are almost completely odor-free so you won’t be overwhelmed by any strong smells when you open up the bag.



Simple Grow Worm Castings – Pure, Organic Fertilizer

Simple Grow Worm Castings (Buy Online) are pure organic fertilizers made from earthworm poop. The secret to this great fertilizer is the fact that it’s completely chemical-free. Not only do you get a safe product, but it also works better than other commercial fertilizers on the market. It’s also 100% organic making it perfect for use in your garden or indoor plants.

Simple Grow worm castings contain everything your plants need to thrive including nutrients, trace minerals, humus, and healthy microbes. Plus, these worm castings come in an easy-to-use resealable bag so you’ll be able to measure out just what you need each time without having to worry about overspending on bulk bags at the store.



Dr. Verm’s Premium Worm Castings – Organic Soil Builder and Fertilizer

Dr. Verm’s Premium Worm Castings (Buy Online) are made by hand using fresh organic matter and red wiggler worms in small batches without any artificial additives or fillers. These high-quality worm castings also contain an array of beneficial microbes which help break down organic material into plant food. This ensures your plants will have access to highly absorbable nutrients, and these microorganisms will also colonize sterile potting mixes which can help prevent root rot and other soil-borne plant diseases.



Worm Bliss Premium Vegan & Organic Earthworm Castings

Worm Bliss Premium Vegan & Organic Earthworm Castings (Buy Online) are different since the worms that produce these castings only eat organic vegan food so you can have peace of mind when using it if you are a strict vegan. Plus, these worms are ethically raised in containers in climate-controlled rooms so you can rest assured that you are using a cruelty-free soil amendment on your indoor plants.



Akka Naturals Earthworm Castings

Akka Naturals Earthworm Castings (Buy Online) are some of the highest quality worm casting you can buy online today at an affordable price. You get 1 (one) 5lb bag of 100% organic certified pure earthworm castings delivered straight to your door anywhere in the United States.



BRUT WORM FARMS Worm Castings Soil Builder – 30 Pounds – Organic Fertilizer – Natural Enricher for Healthy Houseplants, Flowers, and Vegetables – Use Indoors or Outdoors – Non-Toxic and Odor Free

BRUT WORM FARMS (Buy Online) produces premium worm castings at affordable prices. They offer only the highest quality earthworm castings you will ever need, all without any fillers. And their castings are 100% pure and free from pesticides, chemicals, fertilizers, or additives of any kind. Plus, this 30-pound bag provides plenty of castings which makes it a great deal if you need to repot a lot of houseplants.



Worm Castings Tea for Indoor Plants



Worm Tea for Gardening Soil – Worm Tea Fertilizer Liquid – Organic Worm Castings

Petra Worm Tea (Buy Online) is a highly concentrated formula made from organic ingredients in a water-soluble form. Simply add this concentrate to the container you use for watering your houseplants and enjoy healthy greener happier indoor plants.



Is Vermicompost Good for Indoor Plants?

Are worm castings good for indoor plants? Vermicompost is excellent for growing plants indoors, especially if you don’t want to use compost or artificial fertilizers.

Moreover, the worms break down organic matter into nutrient-rich castings that are easy for a plant to absorb. Not only that, but it will also help combat root diseases and pests because of its natural fungicidal properties.



How To Use Worm Castings in Potted Plants

Worm castings are readily available for purchase online or at your local gardening store. They can be used as an amendment to the soil in potted plants, and they have many benefits including being rich in nutrients like nitrogen, phosphorus, magnesium, calcium, and potassium.

The best way to use worm castings is by adding them to potting mix before planting or when repotting a plant into fresh potting mix.



How To Add Worm Castings to Potted Plants

Mix at a ratio of 1 part worm castings to 9 parts potting soil. You can also create your own compost tea by steeping the worm castings in water overnight and then feed your plants with the nutrient-rich water.



What Are Worm Castings

Worm castings are nutrient-rich excretions from worms that are often used as a soil amendment in agriculture. They have a lot of nitrogen which makes them good for plants because it helps with photosynthesis and plant growth. It also has minerals such as phosphorous which help crops grow better by increasing the amount of available phosphorus in the soil.



How To Make Your Own Worm Castings

You can make worm castings in just three easy steps:

  • Collect or buy the right type of worms – Red Wigglers (Eisenia foetida)
    Put them into a container with soil
    Feed them fruit and vegetable scraps and coffee grounds.

When they eat, they produce worm castings which are rich in nitrogen, potassium, and phosphorus.

TIP: If you want to start raising worms at home you can get a Worm Farm (Buy Online) that makes the whole process of sifting and collecting worm castings a lot easier.



Other Ways To Increase Indoor Plant Health

Use a fertilizer that is specifically designed for indoor plants to help them grow
Make sure the potting mix has the right pH level – this will help with plant health and growth
Trim off any dead leaves on your indoor plants to make sure they are healthy
Check the soil with a soil moisture meter
Water your indoor plants with an automatic watering system
Don’t forget about light. Indoor plants need at least 8-12 hours of sunlight per day
Control fungus problems with a fungicide made for indoor plants
Use Natural predators to control aphids and spider mites