Comparison: Best Vermicompost For Potted Plants (Updated | Nov 11th)
But with so many options out there, how do you know which one truly boosts growth, improves soil, and keeps your potted greens thriving? Whether you’re nurturing herbs on a windowsill or flowering beauties on a balcony, we’ll help you choose the top-performing vermicompost with confidence.
Editor’s Choice
Best for a specific purpose
- Best for dairy‑rich compost: Soil Seed & Water Mikey’s Worm Poop – Organic Dairy Vermicompost Fertilizer Worm Castings for Gardens
- Best for water‑saving sponge: WriggleBrew Solar Soil Vermicompost Soil Amendment from Earthworm Castings. All Purpose Plant Food and Dirt Enhancer for Gardens
- Best for liquid castings tea: Worm Castings for Plants
- Best for stress‑tolerant boost: Worm Tea for Gardening – 32oz Quart – Organic Earthworm Soil Enhancer – Vermicompost with Kelp – Increase Yields
- Best for premium dairy castings: Soil Seed & Water Mikey’s Worm Poop – Organic Dairy Vermicompost Fertilizer Worm Castings for Gardens
- Best for fine moisture retainer: Sukh 14.6OZ Vermiculite – Organic Vermiculite for Gardening Plants Fine Horticultural Soil Amendments Bulk Additive Perfect Potted and Garden Professional Grade 1-3mm
- Best for high‑yield liquid: Ecoworm Soil Extract – Organic Liquid Vermicompost Fertilizer & Soil Microbe Booster for Fruits
- Best for odor‑free blend: Fishnure -8 lbs Organic Fertilizer Humus Compost Made from Worm Castings and Fish Manure Vermicompost – Odor Free – Indoor and Outdoor use – for Gardens
- Best for low‑sodium calcium: BuildASoil Worm Castings for Gardening – Vermicompost Organic Fertilizer for Lawns – Ensures Larger Plants & More Vegetables – Natural Earthworm Castings for Indoor & Outdoor Plants (1 Cubic Foot/Bag)
- Best for bulk moisture boost: Sukh 26OZ Vermiculite – Organic Vermiculite for Plants Fine Horticultural Vermiculite Soil Amendments Vermiculite Bulk Soil Additive Perfect for Potted Plants and Garden Professional Grade 1-3mm
Product Comparison: Best Vermicompost For Potted Plants
Dairy‑Rich Compost
Soil Seed & Water Mikey’s Worm Poop – Organic Dairy Vermicompost Fertilizer Worm Castings for Gardens, Potted Plants & Soil Health – Superior to Standard Compost – OMRI Listed Organic Fertilizer
SOIL SEED & WATER
- ✅Mikey’s Worm Poop : is an all-natural vermicompost offering a unique and organic solution to soil enhancement.
- ✅Extensive Research : Resulting from extensive research, this vermicompost utilizes premium worm castings to enrich soil structure, moisture retention, and nutrient content, promoting vibrant plant health and sustainable agricultural practices.
- ✅Boosts soil health : Our vermicompost promotes moisture retention, and supports vibrant plant growth.
- ✅OMRI listed and CCOF Certified : Certified organic, it’s the eco-friendly way to nourish your plants naturally.
- ✅Organic Material: Made from composted dairy manure, a valuable organic material.
Water‑Saving Sponge
WriggleBrew Solar Soil Vermicompost Soil Amendment from Earthworm Castings. All Purpose Plant Food and Dirt Enhancer for Gardens, Vegetables, Fruits, Houseplants. 5lb Bag. Mix with Potting Soil.
WriggleBrew
- NUTRIENT-RICH FORMULA: Solar Soil is crafted from premium worm castings ensuring your soil receives a rich infusion of micronutrients, humic, and fulvic acids, which are vital for robust plant growth and health.
- WATER-SAVING TECHNOLOGY: Solar Soil plant and garden soil has a unique sponge-like structure that retains water, releasing it gradually as your plants need it to help eliminate overwatering and root rot, like Perlite.
- CERTIFIED ORGANIC MULTI-PURPOSE: Solar Soil is made with organic earthworm castings. All-purpose vermicompost plant food feeds plants while building healthier soil for gardens, vegetables, fruits, ornamentals and houseplants.
- OPTIMIZED PLANT NUTRITION: Solar Soil vermiculite soil enhancer mimics nature’s approach to feeding plants, delivering nutrients in a form readily absorbed by roots, ensuring optimal nutrient uptake, resulting in stronger, more resilient plants.
- EFFORTLESS GARDENING: Solar Soil’s carefully balanced organic worm compost and mineral composition reduces the need for frequent watering and promotes healthy plants when mixed into potting soil or spread on top of garden soil.
Liquid Castings Tea
Worm Castings for Plants, Earthworm Casting Organic Fertilizer, Bokashi Booster, Worm Tea Made from Compost Worms, Liquified & Concentrated Vermicompost for Soil Fertility & Bountiful Harvest, 8 oz.
The Grow Co
- PREMIUM WORM CASTING TEA: 100% Organic and is derived from earthworms compost tea that helps condition the soil, increase water uptake & nutrient retention, making plants grow bigger and healthier.
- LIQUIFIED EARTHWORM CASTINGS: Unlike bulk worm castings organic fertilizer, ours is liquified for your convenience. It’s concentrated and efficient to use as a compost starter and bokashi additive.
- GENTLY FEEDS: Nourishes plant soil in a gentle way & protects plants from fertilizer burns – these tea organic worm castings can be mixed with other fertilizers for lawns, gardens, and houseplants.
- ENRICHES SOIL: Organic liquid fertilizer that provides nutrient & microbial boost, which conditions organic soil and boosts its structure and health, making it an ideal ecosystem for plants to thrive.
- BIGGER PLANTS & HARVESTS: Our tea-form organic compost for plants increases crop yields, leaves & blooms. It works great as a fruit tree fertilizer, houseplant, flower, and vegetable fertilizer.
- EASY TO USE: Simply mix our water-soluble worm castings for indoor plants & outdoor plants with water and apply to plants in any medium – soil, raised beds, and more for successful organic gardening.
Stress‑Tolerant Boost
Worm Tea for Gardening – 32oz Quart – Organic Earthworm Soil Enhancer – Vermicompost with Kelp – Increase Yields, Boost Growth, Reduce Stress- Vegetables, Flowers, Fruit Trees – Plant Probiotic
VermisTerra
- Biofertilizer which contains living enzymes which, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant.
- Certified organic and supports regenerative farming, Non-toxic, all natural
- Boosts plan probiotics, chitinase, humus, essential nutrients and minerals. Plant available: Nitrogen, Phosphorus, Phosphate, Potassium, Potash, Sulfur, Magnesium, Calcium, Sodium, Iron, Manganese, Copper, Zinc, Boron
- Enhance nutrient uptake, root development and soil structure.
- Plant boosting product that super-charges your soil.
- Earthworm castings and Kelp (seaweed extract)s, can help plants tolerate abiotic stresses like drought, salinity, and temperature extremes. These extracts act as biostimulants, triggering beneficial plant responses that improve resilience against environmental challenges.
Premium Dairy Castings
Soil Seed & Water Mikey’s Worm Poop – Organic Dairy Vermicompost Fertilizer Worm Castings for Gardens, Potted Plants & Soil Health – Superior to Standard Compost – OMRI Listed Organic Fertilizer
SOIL SEED & WATER
- ✅Mikey’s Worm Poop : is an all-natural vermicompost offering a unique and organic solution to soil enhancement.
- ✅Extensive Research : Resulting from extensive research, this vermicompost utilizes premium worm castings to enrich soil structure, moisture retention, and nutrient content, promoting vibrant plant health and sustainable agricultural practices.
- ✅Boosts soil health : Our vermicompost promotes moisture retention, and supports vibrant plant growth.
- ✅OMRI listed and CCOF Certified : Certified organic, it’s the eco-friendly way to nourish your plants naturally.
- ✅Organic Material: Made from composted dairy manure, a valuable organic material.
Fine Moisture Retainer
Sukh 14.6OZ Vermiculite – Organic Vermiculite for Gardening Plants Fine Horticultural Soil Amendments Bulk Additive Perfect Potted and Garden Professional Grade 1-3mm
Sukh
- You Will Receive: 14.6 OZ Professional Grade 1-3 mm fine vermiculite perfect packing, which is an excellent soil conditioner
- Suitable for Potted Plants:Fine vermiculite provides effective moisture retention as well as great aeration to the plant soil, thus increasing root growth. The granules size is 1-3mm, perfectly suited for your plotting needs
- High Quality Soil Conditioner: Adding vermiculite to the soil helps improve soil structure, increase soil fluffiness, prevent soil caking and effectively retain soil moisture and nutrients which promotes plant root expansion and growth
- Durable:Unlike humus and coconut shells, our vermiculite for plants is not easily decayed and can exist in the soil for a long time, so it can still be used for many years without worrying about waste
- Rich in Elements:Organic vermiculite is rich in elements like K, Mg, Ca, Fe and trace amounts of Mn, Cu, Zn, providing nutrition for plants, while regulating acidic soil to neutral and preventing rapid changes in soil PH value
High‑Yield Liquid
Ecoworm Soil Extract – Organic Liquid Vermicompost Fertilizer & Soil Microbe Booster for Fruits, Vegetables & Gardens – 35 fl oz (Makes 53 Gallons)
Ecoworm
- Rebuilds Soil Life & Microbial Balance: Revive tired soil with living microbes that enhance nutrient uptake, improve structure, and naturally boost plant vitality and yield.
- 100% Organic Vermicompost Extract: Made from premium worm castings rich in humic and fulvic acids, vitamins, and enzymes. Certified organic by Organic Farmers & Growers (OF&G).
- Highly Concentrated – Makes 53 Gallons: One 35 fl oz bottle creates up to 53 gallons of liquid fertilizer — perfect for gardens, lawns, raised beds, and containers.
- Promotes Strong Roots, Flowers & Fruit: Stimulates germination, root development, lush foliage, and bigger, tastier fruits and vegetables — all without chemical burn.
- Eco-Friendly & Family Safe: No harsh chemicals. Safe for kids, pets, pollinators, and beneficial insects. Sustainable choice for natural gardening.
Odor‑Free Blend
Fishnure -8 lbs Organic Fertilizer Humus Compost Made from Worm Castings and Fish Manure Vermicompost – Odor Free – Indoor and Outdoor use – for Gardens, Flowers, Herbs, Vegetables, Succulents
Fishnure
- Outdoor & Indoor Plant Fertilizer with Worm Castings: This garden/ houseplant fertilizer and worm casting blend optimally nourishes all types of plants. With this garden and houseplant food, you can naturally enhance your plants’ health and growth.
- Renewably Sourced Gardening Supplies: Made from fish manure fertilizer and worm castings for plants, our humus blend is rich in nitrogen and minerals. That’s why gardeners consider it a better choice than a chemical fertilizer for vegetable garden.
- Ideal Odor-Free Plant Care Solution: At 8 lbs per pack, our garden/ lawn food with worms for composting covers up to 60 sq ft per pound. This versatile ornamental/ vegetable fertilizer boasts a fresh, tilled-soil smell, making gardening more enjoyable.
- Supports Better Aeration and Natural Nourishment: An OMRI-listed fertilizer, Fishnure nourishes plants with available nutrients. This fertilizer for vegetables, flowers, and other plants reduces soil compaction while deterring erosion.
- Easy-to-Use Natural Plant Food: Mix the fertilizer with compost worms into the garden soil for vegetables /blooms/shrubs before planting. Apply this excellent natural compost fertilizer as a top dressing throughout the growing season.
Low‑Sodium Calcium
BuildASoil Worm Castings for Gardening – Vermicompost Organic Fertilizer for Lawns – Ensures Larger Plants & More Vegetables – Natural Earthworm Castings for Indoor & Outdoor Plants (1 Cubic Foot/Bag)
BUILD A SOIL
- ELEVATE YOUR GARDEN WITH PREMIUM WORM CASTINGS FOR PLANTS: Transform your soil and watch your plants thrive with our nutrient-packed, organic vermicompost. Say goodbye to chemicals and hello to natural, bountiful harvests.
- LAB TESTED & BUILDASOIL APPROVED: Enhance your gardening confidently using our natural worm castings organic fertilizer, Trusted by labs and BuildASoil for superior quality and plant vitality. Boost your garden’s health today!
- HIGH CALCIUM: Increase your garden’s calcium levels naturally with our earthworm castings for plants. Packed with essential nutrients, our organic worm castings enhance plant growth, root development, and disease resistance.
- LOW SODIUM WARM CASTING FOR PLANTS: Nurture your soil and plants with our exceptional organic solutions premium worm castings, renowned for their low sodium content. Say goodbye to soil salinity issues and hello to vigorous, flourishing gardens.
- PERFECT FOR POTTING SOIL & COMPOST TEA: Our worm castings for indoor plants are the ideal choice for crafting nutrient-rich potting soil and brewing powerful compost tea. Elevate your gardening game with these premium castings.
Bulk Moisture Boost
Sukh 26OZ Vermiculite – Organic Vermiculite for Plants Fine Horticultural Vermiculite Soil Amendments Vermiculite Bulk Soil Additive Perfect for Potted Plants and Garden Professional Grade 1-3mm
Sukh
- You Will Receive: 26 OZ Professional Grade 1-3 mm fine vermiculite perfect packing, which is an excellent soil conditioner
- Perfect For Potted Plants: Fine vermiculite provides effective moisture retention as well as great aeration to the plant soil, thus increasing root growth. The granules size is 1-3 mm, perfectly suited for your plotting needs
- High Quality Soil Amendments: Adding vermiculite to the soil helps improve soil structure, increase soil fluffiness, prevent soil caking and effectively retain soil moisture and nutrients which promotes plant root to expand and grow
- Durable: Unlike humus and coconut shells, our vermiculite for plants is not easily decayed and can exist in the soil for a long time, so it can still be used for many years without worrying about waste
- Rich In Elements: Organic vermiculite is rich in nutrition for plants,regulating acidic soil to neutral to keep balance
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What should I look for when choosing a vermicompost for potted plants?
Focus on organic certification (OMRI or CCOF), nutrient density, and moisture‑retention properties. A product that includes humic and fulvic acids will improve root development, while a fine texture blends easily into potting mixes without clogging drainage.
How does Mikey’s Worm Poop compare to WriggleBrew Solar Soil?
Mikey’s Worm Poop is a dairy‑based vermicompost certified organic and emphasizes soil structure and moisture retention, whereas Solar Soil adds a sponge‑like mineral matrix that acts like perlite for water‑saving. Both are nutrient‑rich, but Solar Soil may reduce watering frequency, while Mikey’s offers a more traditional castings profile.
Are liquid worm‑casting products like Earthworm Casting Tea or Ecoworm Soil Extract better than bulk castings?
Liquid extracts deliver nutrients quickly and are easy to apply as a foliar spray or soil drench, which can be convenient for indoor pots. However, bulk castings such as BuildASoil or the standard worm castings provide a slower, sustained release of nutrients and improve long‑term soil biology.
Which product offers the best value per ounce for potted‑plant use?
Ecoworm Soil Extract creates up to 53 gallons from a 35 fl oz bottle, giving a high volume for a modest price, while Fishnure’s 8‑lb bag covers about 480 sq ft, making it economical for larger indoor gardens. For small‑scale potting, the 14.6 oz Sukh vermiculite adds aeration at a low cost but does not supply nutrients.
Do I need both vermicompost and vermiculite in my potting mix?
Combining vermicompost for nutrients with vermiculite for moisture retention and aeration creates a balanced medium that supports healthy root growth. Vermiculite alone won’t provide nutrients, and vermicompost without aeration can become compacted, especially in containers.
How important is the source material of the vermicompost (e.g., dairy manure vs. fish manure)?
The source influences nutrient ratios; dairy‑based castings like Mikey’s tend to be higher in calcium, while fish‑based blends such as Fishnure supply more nitrogen and trace minerals. Both are organic, but choose based on the specific nutrient needs of your plants.
Can I use these vermicomposts for both indoor houseplants and outdoor vegetable gardens?
Yes, most listed products are certified organic and safe for edible crops, but liquid extracts like Worm Tea should be diluted to avoid fertilizer burn on tender seedlings. For outdoor beds, consider larger‑volume options like Solar Soil or Fishnure, while indoor pots benefit from finer castings or liquid feeds.
What are the key differences between the BuildASoil and the Worm Castings for Plants (Bokashi Boost) products?
BuildASoil emphasizes low sodium and high calcium content, ideal for preventing salinity issues in containers, whereas Bokashi Boost offers a liquified tea form that integrates easily with compost starters. Both are organic, but the former is better for steady, long‑term soil amendment, while the latter provides rapid nutrient uptake.