20 Best Are Worm Castings Good Fertilizer [2023]

Are you looking for the best Are Worm Castings Good Fertilizer? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Are Worm Castings Good Fertilizer.

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1 Worm Tea for Gardening Soil - Worm Tea Fertilizer Liquid - Worm Castings, Earthworm Casting Manure... Worm Tea for Gardening Soil - Worm Tea Fertilizer Liquid - Worm Castings, Earthworm Casting...
2 Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 4.5-Pounds Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 4.5-Pounds
3 Worm Castings Organic Fertilizer 1.1LB by Doter, 100% All Nature Fertilizer for Gardening, Tomato,... Worm Castings Organic Fertilizer 1.1LB by Doter, 100% All Nature Fertilizer for Gardening,...
4 Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 15-Pounds, (Package May Vary) Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 15-Pounds, (Package May Vary)
5 Eden’s Best Worm Castings Organic Fertilizer | 100% Organic Fertilizer | Organic Fertilizer for... Eden’s Best Worm Castings Organic Fertilizer | 100% Organic Fertilizer | Organic Fertilizer for...
6 Elm Dirt Plant Juice for All Plants (1 Bottle) Elm Dirt Plant Juice for All Plants (1 Bottle)
7 BRUT WORM FARMS All Natural Organic Worm Castings Soil Builder Potting Mix for Indoor & Outdoor... BRUT WORM FARMS All Natural Organic Worm Castings Soil Builder Potting Mix for Indoor & Outdoor...
8 Simple Grow Worm Castings - Pure, Organic Fertilizer and Soil Supplement - 5 Pound Bag - Natural... Simple Grow Worm Castings - Pure, Organic Fertilizer and Soil Supplement - 5 Pound Bag - Natural...
9 Organic Worm Castings - All Natural Soil Amendment, Soil Builder, and Fertilizer, 3 Pound Bag Organic Worm Castings - All Natural Soil Amendment, Soil Builder, and Fertilizer, 3 Pound Bag
10 Worm Bliss Premium Vegan & Organic Earthworm Castings, (4 Quart) [Package May Vary] Worm Bliss Premium Vegan & Organic Earthworm Castings, (4 Quart) [Package May Vary]
11 Infinity Soil - Earthworm Castings - Sustainable & Natural Soil Amendment - 0.6-0.7-0.2 NPK -... Infinity Soil - Earthworm Castings - Sustainable & Natural Soil Amendment - 0.6-0.7-0.2 NPK -...
12 Mycorrhizal Fungi Root Enhancer for Plants - Bigger, Stronger, Healthier Roots, Use In Soil and... Mycorrhizal Fungi Root Enhancer for Plants - Bigger, Stronger, Healthier Roots, Use In Soil and...
13 Roots Organics Big Worm, Organic Earthworm Castings, 1 Cubic Foot Bag Roots Organics Big Worm, Organic Earthworm Castings, 1 Cubic Foot Bag
14 Uncle Jim's Worm Farm 'Real Worm Compost 4lbs Uncle Jim's Worm Farm "Real Worm Compost 4lbs
15 Earth Worm Castings – Organic Red Worm Compost Soil Amendment - .13 Cubic Foot ~6 Lbs -... Earth Worm Castings – Organic Red Worm Compost Soil Amendment - .13 Cubic Foot ~6 Lbs -...
16 Vermicast Pure Earthworm Castings Organic Soil Builder - All Natural (5 lb.) Vermicast Pure Earthworm Castings Organic Soil Builder - All Natural (5 lb.)
17 (2 Set) Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder (2 Set) Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder
18 Mycorrhizal Fungi Inoculant Organic Root Enhancer, Improve Nutrient Uptake Recharge Plant Nutrient,... Mycorrhizal Fungi Inoculant Organic Root Enhancer, Improve Nutrient Uptake Recharge Plant...
19 PetraTools Worm Tea for Gardening Soil (32 Oz) Liquid Fish & Seaweed Fertilizer (32 Oz) PetraTools Worm Tea for Gardening Soil (32 Oz) Liquid Fish & Seaweed Fertilizer (32 Oz)
20 Hoya Plant Potting Soil Mix (4 Quarts), Custom Blend for Growing Hoya Tropical Houseplants Hoya Plant Potting Soil Mix (4 Quarts), Custom Blend for Growing Hoya Tropical Houseplants
Bestseller No. 1
Worm Tea for Gardening Soil - Worm Tea Fertilizer Liquid - Worm Castings, Earthworm Casting Manure...
  • SUPER STRENGTH CONCENTRATE: PetraTools Worm Casting Tea is a highly concentrated garden and lawn solution that conditions the top soil and other soil...
  • SUSPENDED ANIMATION TECHNOLOGY: Unlike other Worm Tea Concentrates that let helpful bacteria die in the bottle and hope a small percentage will...
  • 100% PURE MATERIALS: We formulated our worm castings fertilizer for organic production with 100% natural ingredients. It's extracted from earthworm...
  • Boost your soil and plants' nutrient feeding by combining PetraTools worm castings tea with your fertilizer. When pre-planting in spring or fall, use...
  • American Family-Owned Company & USA Support: PetraTools is a USA based company located in Carlisle, Pennsylvania. All PetraTools products have a 100%...
SaleBestseller No. 2
Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 4.5-Pounds
  • Beautiful growth and yields of your plants
  • Nutrients in earthworm castings are plentiful
  • Slowly feeds the plant for long periods of time
  • Just a handful will make your plants happy
  • Excellent for indoor or outdoor plants; houseplants, vegetables, flowers, and more
Bestseller No. 3
Worm Castings Organic Fertilizer 1.1LB by Doter, 100% All Nature Fertilizer for Gardening, Tomato,...
  • 🍅【Organic Fertilizer】Provide a natural, digestible, and safe plant formula, which is balanced into a healthy dosage and already broken down to...
  • 🍅【Safe to Use】There’s no need for pre-mixing or measuring because our plant food provides adequate nutrients without the worry of chemical...
  • 🍅【Nontoxic & Odor-Free】Our worm castings are 100% nontoxic and odor free! They are completely safe to use around children and pets.
  • 🍅【Protect Your Plants】Reduce carbon, prevent extreme pH levels, and increase nitrogen levels, enhance seed germination, plant growth,...
  • 🍅【Reduce Drought Issues】Our worm castings improve and retain the soil structure so that you’re saving on irrigation costs and increasing...
Bestseller No. 4
Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 15-Pounds, (Package May Vary)
  • Organic fertilizer - Pure earthworm castings
  • Excellent for houseplants, vegetables, flowers and more
  • Non-toxic and odor free
  • Just a handful will make your plants happy
SaleBestseller No. 5
Eden’s Best Worm Castings Organic Fertilizer | 100% Organic Fertilizer | Organic Fertilizer for...
  • - WORM CASTINGS ORGANIC FERTILIZER – Eden’s Best worm castings are as close to 100% castings as you can get. Check out our reviews to see why our...
  • - 100% ORGANIC – Certified and guaranteed! Our organic fertilizer for vegetable gardens, flower gardens, potted plants, and general soil builder is...
  • - GROW NATURALLY – No more worrying about the harmful side effects of chemical pesticides and fertilizers. Eden’s Best earthworm castings allow...
  • - NUTRIENT RICH – Worm castings provide your plants with the nutrients and protection they need to not only grow but thrive. Our organic fertilizer...
  • - ODOR FREE – Does it smell like other natural fertilizers? Absolutely not! Our worm castings organic fertilizer does not have strong odors like...
Bestseller No. 6
Elm Dirt Plant Juice for All Plants (1 Bottle)
  • Our Plant Juice (formerly known as Plant Booster) is made from premium worm castings and high quality organic nutrients
  • 100% natural and organic
  • Custom cultivated blend of beneficial microbes and predigested sugars to grow healthier, stronger plants
  • Full of micronutrients missing from traditional fertilizers that are crucial to healthy plants
  • Plants love our products but if you don't, we stand behind our products and offer a money back guarantee!
SaleBestseller No. 7
BRUT WORM FARMS All Natural Organic Worm Castings Soil Builder Potting Mix for Indoor & Outdoor...
  • ORGANIC SOIL ENRICHER: Designed for truly natural gardening. Brut Worm Farms earthworm castings are dark, rich, pure, and high in organic...
  • HEALTHY MICROBES: Treat your soil to balanced minerals and nutrients. Our castings are teeming with beneficial microbes to keep your plants healthy...
  • FRESH FERTILIZER: Each 30 pound bag contains very fresh castings, usually less than a week old, to guarantee only the best organic fertilizer that...
  • INDOOR OR OUTDOOR USE: Containing only high-quality earthworm castings and nothing else, our soil builder is perfectly suited for indoors or outdoors....
  • ABOUT BRUT WORM FARMS: We raise the worms ourselves, indoors, on our farm in Minnesota. Unlike other competitors, production is not outsourced so you...
Bestseller No. 8
Simple Grow Worm Castings - Pure, Organic Fertilizer and Soil Supplement - 5 Pound Bag - Natural...
  • 100% PURE EARTHWORM CASTINGS - Simple Grow Worm Castings are "Nature's Perfect Plant Food"
  • Nutrient-Rich Soil Supplement - Packed with nutrients, trace minerals, humus and healthy microbes. Your plants will love it!
  • Approved for Organic Use! - This worm castings organic fertilizer is the perfect addition to any garden soil.
  • Safe for All Types of Plants - Not all garden fertilizers work with every plant. Simple Grow is versatile and the perfect addition to any gardening...
  • No Chemicals, Fillers, or Additives - In the bag, you'll find nothing but worm castings. This isn't vermicompost, but is pure, filtered worm casting.
SaleBestseller No. 9
Organic Worm Castings - All Natural Soil Amendment, Soil Builder, and Fertilizer, 3 Pound Bag
  • Make Your Plants Happy - Worm castings are nature's gift for increasing plant growth and productivity the natural way. Our 100% all natural worm...
  • Perfect for Houseplants, Flowers, and Vegetables - Using just a small handful of Worm Castings with your potting mix or as a top dressing will help to...
  • All-Natural, Non-Toxic, Odor Free, OMRI listed for Organic use with no chemical fertilizers or synthetic materials.
  • Packaged in a 8 inch by 10 inch resealable bag and weighs approximately 3 pounds.
  • Increases Plant Growth - Worm Castings is an All-Natural and Organic Fertilizer that is proven to strengthen root development and help promote...
SaleBestseller No. 10
Worm Bliss Premium Vegan & Organic Earthworm Castings, (4 Quart) [Package May Vary]
  • 🌱【 Premium Plant Growth & Protection 】 – Feed your plants the rich nutrients and minerals they need with these organic earthworm castings!...
  • 🌿【 Organic & Vegan Fed Worms 】– We at Plantonix feed our Earth worms a 100% organic, vegan and non-GMO diet. Rest easy knowing that there are...
  • 👍【 Natural & Uncontaminated Harvesting 】 – In this bag, you will receive the most nutrient-rich, organically harvested earthworm castings in...
  • 🎁【 Perfect Gift 】– Give these premium earthworm castings to a fellow gardener, loved one, friend or family member for a perfect Christmas,...
  • ✔️【 Love It or Your Money Back! 】 – We know that these organic earthworm castings will be the healthiest fertilizer your plants have ever...
Bestseller No. 11
Infinity Soil - Earthworm Castings - Sustainable & Natural Soil Amendment - 0.6-0.7-0.2 NPK -...
  • Earthworm Castings are simply the waste of earthworms. An earthworm’s digestive process releases nutrients like nitrogen, phosphorus, potassium, and...
  • Consistent use of Earthworm Castings helps to balance your soil’s pH, introduces healthy microbes, improves aeration and water retention, and gives...
  • For use on indoor and outdoor plants, you can never overuse Earthworm Castings and unlike chemical-packed fertilizers, these castings are safe for you...
  • Add to your flower beds, gardens, and potted plants regularly to help your plants grow strong and healthy or add to your home compost pile to improve...
  • Infinity Soil brings the best Earth has to offer to your home’s plants. Each Infinity Soil product is a Mother Nature-approved soil amendment...
SaleBestseller No. 12
Mycorrhizal Fungi Root Enhancer for Plants - Bigger, Stronger, Healthier Roots, Use In Soil and...
  • DO NOT BE FOOLED by other companies selling you dead Mycorrhizae powder in a bag. Every bag of Myco Supreme Premium Mycorrhizal Fungi comes alive,...
  • 20X MORE CONCENTRATED than leading brands: Total ACTIVE Microbe Rhizophagus Irregularis…..50 Spores/g *Equivalent up to 5000 propagules per gram and...
  • HIGH PERFORMING Mychorrizal Fungi Trifecta Myco Supreme utilizes bio-encapsulated spores of the carefully selected and versatile Rhizophagus...
  • PROVEN SUPERIOR QUALITY: Repeated trials have been conducted against other major producers of mycorrhiza in North America showing a root colonization...
  • BIGGER, HEALTHIER, ROOTS: Trifecta Myco Supreme Premium Mycorrhizal Fungi inoculant is an easy-to-use one-step solution for bigger, healthier plant...
SaleBestseller No. 13
Roots Organics Big Worm, Organic Earthworm Castings, 1 Cubic Foot Bag
  • Roots Organics Big Worm pure and premium worm castings is a distinctive natural soil amendment.
  • Our earthworms are carefully tended and fed an unparalleled blend of organic and natural feedstocks for exceptional quality worm castings.
  • No fillers, no chemicals and no tricks. Just pure and exceptional worm castings.
  • Add Roots Organics Big Worm pure and premium worm castings to any soil as an amendment and conditioner.
  • 100% Earthworm Castings
Bestseller No. 14
Uncle Jim's Worm Farm "Real Worm Compost 4lbs
  • Comes straight from the same bins that our worms are raised in.
  • VERY nutritious and created from our worms.
  • 100% Natural (means no Chemicals!)
Bestseller No. 15
Earth Worm Castings – Organic Red Worm Compost Soil Amendment - .13 Cubic Foot ~6 Lbs -...
  • WORM COMPOST FOR PLANTS & GARDENS - Organic worm castings are the microbial-rich waste by-product of the red earthworm and wiggler, used as a clean,...
  • OMRI CERTIFIED ORGANIC WORM COMPOST - Our earthworm casting is composed of certified organic cow manure that has been digested, processed, and refined...
  • ORGANIC WORM CASTINGS FOR GARDENING - Easy to use and odorless organic soil amendment substitute for messy and pungent cow manure compost. Once...
  • WORM CASTINGS ORGANIC FOR INDOOR PLANTS - Whether gardening a large outdoor crop or making the most of your favorite indoor plants, organic earthworm...
  • CLEAN & SAFE VERMICOMPOST FOR PLANTS - Organic earthworm soil amendment for organic fruit and vegetable gardening. Includes recipe to create your own...
Bestseller No. 16
Vermicast Pure Earthworm Castings Organic Soil Builder - All Natural (5 lb.)
  • Organic Pure Worm Castings
  • 1 (one) 5lb. bag of Akka Naturals Earthworm Castings
  • PREMIUM CASTING - We are confident that our Rich, black soil builder will help all of your gardening and planting projects flourish!
  • MULTIPLE APPLICATIONS - Can be used by itself or as part of a mix for a natural fertilizer or compost tea additive.
  • Vermicast is Pre-sifted and ready to use!
SaleBestseller No. 17
(2 Set) Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder
  • Beautiful growth and yields of your plants
  • Nutrients in earthworm castings are plentiful
  • Slowly feeds the plant for long periods of time
  • Just a handful will make your plants happy
  • Excellent for indoor or outdoor plants; houseplants, vegetables, flowers, and more
Bestseller No. 18
Mycorrhizal Fungi Inoculant Organic Root Enhancer, Improve Nutrient Uptake Recharge Plant Nutrient,...
  • 【How to Use】Take 5-8g for 1 gallon plant, use once every 30-40 days, make it directly contact the plants' roots, please do not over-fertilize.
  • 【Concentrated Formula】Concentrated formula contains primary and secondary plant nutrients, as well as selected micronutrients, to meet the...
  • 【Slow Release】Long-lasting and easy-to-use granular formula provides long-term nourishment to your plants. Watching your plants thrive can give...
  • 【Wide Range of Applications】Our mycorrhizal inoculants can enhance nutrient availability and increase plant performance, perfect for indoor and...
  • 【How to Store】Our mycorrhizal inoculants are packaged in a lightweight and sealed bag. Please put in a ventilated place to avoid moisture.
SaleBestseller No. 19
PetraTools Worm Tea for Gardening Soil (32 Oz) Liquid Fish & Seaweed Fertilizer (32 Oz)
  • SUPER STRENGTH CONCENTRATE: PetraTools Worm Casting Tea is a highly concentrated garden and lawn solution that conditions the top soil and other soil...
  • SUSPENDED ANIMATION TECHNOLOGY: Unlike other Worm Tea Concentrates that let helpful bacteria die in the bottle and hope a small percentage will...
  • 100% PURE MATERIALS: We formulated our worm castings fertilizer for organic production with 100% natural ingredients. It's extracted from earthworm...
  • SUPER-CHARGED PLANT FERTILIZER: PetraTools Fish & Seaweed Fertilizer is a fertilizer for your plant vegetables, flowers, trees, seeds, & others. The...
  • COLD-PROCESSED FISH: Our liquid fish fertilizer is created through a cold process, retaining its enzymes, vitamins, & nutrients, which are needed by...
Bestseller No. 20
Hoya Plant Potting Soil Mix (4 Quarts), Custom Blend for Growing Hoya Tropical Houseplants
  • All-natural: No added fertilizers or chemicals, only naturally-sourced ingredients
  • Uses: For planting or repotting hoya plants, ideal for indoor / outdoor container gardening of the popular houseplants known as Wax Plants originating...
  • Benefits: Excellent drainage, nutrient retention, aeration and organic humus
  • Ingredients: Peat moss, perlite, mulch, horticultural charcoal, worm castings,and lime.
  • Size: 4 Quarts

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FAQ:

Q: Why worm castings are the best natural fertilizers?

A: Advantages Plant superfood – the most obvious advantage of worm casting is its nutrient-packed quality. Neutral level of pH – this controls your soil’s acidic condition. Protection – worm castings extract harmful toxins, bad bacteria, and fungi; at the same time containing good bacteria and beneficial microbes which helps prevent diseases for your plant. More items…

Q: What is better for growing, compost or worm castings?

A: There is really not much difference between worm casting and compost. However, worm casting has more nutrients than compost coupled with a refined and enhanced humus profile that aids aeration and soil moisture. Therefore, they are a great option for small scale vegetable garden because of their high-level nutrient contents.

Q: What can worm castings bring to your soil?

A: Soil Benefits of Worm Castings Increased Organic Matter. The addition of worm castings – like the addition of other manures – gives the soil a boost of the organic matter that serves as a food … Soil Structure and Water Retention. … Nutrient Delivery – slow release and plant available due to microbes. …

Q: How do you use worm castings?

A: There are different methods for harvesting worm castings. One of the most popular is the dump and sort method. Simply lay out a sheet of plastic or newspaper and empty out the contents of the worm bin. Collect the worms and add them to a fresh vermicompost bin, then use the leftover castings on your plants.