Catalyst BioAmendments Compost
Best premium soil amendment for dedicated organic gardeners and soil enthusiasts.
A biologically active amendment that prioritizes microbial diversity over simple NPK values. It is an excellent choice for gardeners looking to build a living soil ecosystem rather than just feeding plants, though it requires more intentional application than standard fertilizers.
$24.99
at
Grow Organic
More Craft Compost options
Who it's for
- Regenerative gardeners seeking to restore complex soil food webs
- Discerning growers who prioritize clean, high-performance organic inputs
- Urban farmers with limited space for bulk soil amendments
Who should skip it
- Budget-conscious hobbyists looking for inexpensive bulk fill material
- Remote gardeners far from the manufacturer's primary shipping hubs
- Casual planters wanting a simple set it and forget it soil
Performance breakdown
Microbial Diversity
A robust ecosystem of bacteria, fungi, and protozoa fuels soil health.
Ingredient Purity
Clean sourcing ensures zero contamination from biosolids or industrial waste.
Application Versatility
Equally effective as a top-dress, soil amendment, or compost tea base.
Nutrient Cycling Efficiency
Accelerates the breakdown of organic matter for immediate plant availability.
Brewing Performance
The clean, consistent texture makes it ideal for high-quality compost teas.
Root Support
Promotes vigorous root development through improved soil structure and biology.
Key Specs
Ingredients
Hay, Manure, Wood Chips
Exclusions
No green waste, biosolids, or industrial byproducts
Application Rate
10 lbs per 100 sq ft
Raised Bed Application
Up to 25% of growing media
Microbial Content
Bacteria, fungi, protozoa, and nematodes
Know before you buy
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Ask Metto anything about the Catalyst BioAmendments Compost before you decide.