Best Worm Castings Bulk 40 Lbs in 2025
Updated on August 2025
#1
Recommended
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- Product ships in a cost-effective plain bag
- Wiggle Worm Castings Plus contains worm castings blended with worm eggs to boost microbial activity and enhance soil aeration and nutrient levels.
- Wiggle Worm Castings are pure worm castings, recognized as fertilizer due to an exclusive harvesting method that avoids leftover bedding.
- Worm egg material consists of cocoons and small soil particles mixed with unconsumed bedding; minor debris like small rocks may be present after sifting.
- Hatching of worm eggs may occur during shipping, and any emerged worms contribute positively to soil health by improving aeration and nutrient cycling.
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- Product ships in a cost-effective plain bag
- Wiggle Worm Castings Plus contains worm castings blended with worm eggs to boost microbial activity and enhance soil aeration and nutrient levels.
- Wiggle Worm Castings are pure worm castings, recognized as fertilizer due to an exclusive harvesting method that avoids leftover bedding.
Read More
#2
Value for Money
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- Made from pure earthworm castings that are recognized as a fertilizer due to a unique manufacturing process
- Enhances soil structure with small particles that improve aeration and water retention for plant roots
- Odorless and safe for indoor and outdoor gardening, making it suitable for a variety of plants
- Convenient application allows for effective use; a small amount (a handful or half a cup) is sufficient
- Certified organic by OMRI, ensuring it meets standards for optimal plant growth
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- Made from pure earthworm castings that are recognized as a fertilizer due to a unique manufacturing process
- Enhances soil structure with small particles that improve aeration and water retention for plant roots
- Odorless and safe for indoor and outdoor gardening, making it suitable for a variety of plants
- Convenient application allows for effective use; a small amount (a handful or half a cup) is sufficient
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#3
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- Product is packaged in a cost-effective black-and-white bag
- Composed of compost soil blend with trace amounts of worm castings and eggs
- Serves as a planting mix allowing direct plant growth, with worm castings providing fertilization and enhancing soil microbiome
- Worm eggs may hatch, improving soil quality through aeration, drainage, and root space creation
- Can be used directly from the bag, alone or mixed with other organic materials, ideal for planting trees or bushes with a wider planting hole
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- Product is packaged in a cost-effective black-and-white bag
- Composed of compost soil blend with trace amounts of worm castings and eggs
- Serves as a planting mix allowing direct plant growth, with worm castings providing fertilization and enhancing soil microbiome
- Worm eggs may hatch, improving soil quality through aeration, drainage, and root space creation
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#4
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- 100% pure organic worm castings fertilizer
- 30-pound weight in a 2-pack
- improves soil fertility and aeration
- suitable for houseplants, vegetables, and gardens
- OMRI-listed
- mineral-dense composition
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- 100% pure organic worm castings fertilizer
- 30-pound weight in a 2-pack
- improves soil fertility and aeration
- suitable for houseplants, vegetables, and gardens
- OMRI-listed
- mineral-dense composition
#5
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- Organic fertilizer with beneficial growth microbes.
- Enhances yield and quality of vegetable plants.
- Suitable for indoor plants and helps balance soil pH.
- Made from organic worm castings, not compost.
- Chemical-free, ensuring a natural fertilizer.
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- Organic fertilizer with beneficial growth microbes.
- Enhances yield and quality of vegetable plants.
- Suitable for indoor plants and helps balance soil pH.
- Made from organic worm castings, not compost.
- Chemical-free, ensuring a natural fertilizer.
#6
8% Off
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- Worm castings enhance soil quality for a variety of plants, including vegetables, herbs, and houseplants.
- Contains beneficial microbes that improve soil health and protect seedlings.
- Promotes sustainable gardening by reducing fertilizer requirements.
- Satisfaction guarantee offered, with customer support available for refunds or replacements if needed.
- Participate in a community initiative by sharing your garden photo with #GrowOneGiveOne to support local classrooms.
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- Worm castings enhance soil quality for a variety of plants, including vegetables, herbs, and houseplants.
- Contains beneficial microbes that improve soil health and protect seedlings.
- Promotes sustainable gardening by reducing fertilizer requirements.
- Satisfaction guarantee offered, with customer support available for refunds or replacements if needed.
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#7
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- Pure Earthworm Castings provide concentrated nutrients and minerals, recognized as a fertilizer due to a unique production process, ensuring no uneaten bedding is included.
- Enhances soil structure with football-shaped particles that improve aeration and increase water retention capacity for better root health.
- Suitable for indoor and outdoor gardening applications, being odorless and non-toxic, making it ideal for various plants including vegetables and houseplants.
- User-friendly application; a small amount is effective, typically requiring just a handful or half a cup, ideal for use three times a year or during planting.
- Certified organic by OMRI, these worm castings support optimal plant growth by naturally providing essential nutrients.
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- Pure Earthworm Castings provide concentrated nutrients and minerals, recognized as a fertilizer due to a unique production process, ensuring no uneaten bedding is included.
- Enhances soil structure with football-shaped particles that improve aeration and increase water retention capacity for better root health.
- Suitable for indoor and outdoor gardening applications, being odorless and non-toxic, making it ideal for various plants including vegetables and houseplants.
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#8
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- Includes a raised bed mix bag and a bottle of Worm Castings Tea
- WIGGLE WORM tea enhances soil quality for all types of plants and can be used both indoors and outdoors
- Mix and apply the solution directly to plant roots or use a spray to apply it on plants and soil
- Raised bed mix is a compost blend that supports direct planting and includes worm castings for fertilization
- Worm eggs may hatch in the soil, potentially improving its quality through tunneling, oxygenation, and organic matter consumption
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- Includes a raised bed mix bag and a bottle of Worm Castings Tea
- WIGGLE WORM tea enhances soil quality for all types of plants and can be used both indoors and outdoors
- Mix and apply the solution directly to plant roots or use a spray to apply it on plants and soil
- Raised bed mix is a compost blend that supports direct planting and includes worm castings for fertilization
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#9
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- Promotes plant growth with premium organic worm castings for indoor and outdoor gardening.
- Made with certified organic ingredients at Brut Worm Farms, ensuring high purity.
- Rich in minerals to enhance plant health and yield, resulting in vibrant green foliage.
- Family-owned business committed to quality, nurturing plants with each batch produced.
- Certified by OMRI and CDFA, representing genuine organic standards for plant nutrition.
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- Promotes plant growth with premium organic worm castings for indoor and outdoor gardening.
- Made with certified organic ingredients at Brut Worm Farms, ensuring high purity.
- Rich in minerals to enhance plant health and yield, resulting in vibrant green foliage.
- Family-owned business committed to quality, nurturing plants with each batch produced.
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#10
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- 100% natural and free from chemicals
- Enhances soil texture and fertility
- Increases moisture retention and nutrient access
- Contains beneficial bacteria and fungi for soil health
- Odorless and safe for all plant varieties
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- 100% natural and free from chemicals
- Enhances soil texture and fertility
- Increases moisture retention and nutrient access
- Contains beneficial bacteria and fungi for soil health
- Odorless and safe for all plant varieties
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