Earth Science Earthworm Castings
Best organic soil amendment for gardeners seeking healthier, more vibrant plant growth.
This is the gold standard for anyone looking to supercharge their soil without the risk of chemical burn. It trades the instant, aggressive spike of synthetic fertilizers for a slow-release, microbial-rich boost that actually builds a healthier ecosystem for your plants over time.
$11.49
at
Greenhouse Megastore
More Earthworm Castings options
Who it's for
- Gardeners seeking gentle, burn-free plant nutrition
- Soil health enthusiasts improving drainage and moisture retention
- Organic growers looking to naturally boost plant immunity
Who should skip it
- Casual users who struggle with proper long-term storage
- Budget-conscious gardeners managing large-scale planting areas
- Gardeners needing quick, high-concentration nutrient solutions
Performance breakdown
Soil Enrichment
Slow-release nutrients provide a consistent foundation for long-term plant health.
Microbial Activity
Actively fosters a living soil ecosystem for superior root development.
Application Versatility
Perfectly suited for everything from delicate seedlings to mature landscape shrubs.
Safety Profile
Organic, non-burning formula eliminates the risk of over-fertilizing sensitive plants.
Ease of Handling
Granular texture ensures clean, mess-free application compared to traditional compost.
Organic Integrity
OMRI listing guarantees compliance with the highest standards for organic gardening.
Key Specs
Weight
4 lbs
Material
100% Vermicompost
Certification
OMRI Listed
Composition
Natural Compost
Form
Granule
Odor Level
Low Odor
Release Type
Slow Release
Microbial Enhancement
Yes
Country of Origin
United States of America
Know before you buy
Still have a question?
Ask Metto anything about the Earth Science Earthworm Castings before you decide.
