Similar to: Wiggle Worm Worm Castings Fertilizer

Top Picks

E.B. Stone Organics Bone Meal
Top Pick

Best organic phosphorus source for gardeners growing flowers and root vegetables.

This organic powerhouse is the gold standard for building deep, resilient root systems and driving heavy fruit production. You sacrifice the instant gratification of synthetic fertilizers for a slow-release formula that feeds your soil naturally, ensuring your garden thrives with long-term, sustainable vigor.

Root Growth

Organic

Transplanting

Slow Release

Suståne Fertilizer
Runner-Up

Best organic solution for gardeners seeking reliable and steady plant growth.

A reliable, slow-release organic option that builds soil health while feeding plants. It excels at improving water retention and root development, making it a versatile choice for both residential lawns and commercial landscaping projects.

Humic Acids

Slow Release

Water Retention

Heat Tolerance

Espoma Garden Tone Plant Food
Best Value

Best organic fertilizer for home gardeners growing edible crops.

A reliable, organic-certified granular fertilizer designed to boost vegetable and herb yields. Its slow-release formula ensures steady, long-term nourishment without the harshness of synthetic alternatives, making it a safe and effective choice for home gardens.

Safe

Slow Release

Targeted

Best organic soil conditioner for homeowners with compacted clay lawns.

Best organic fertilizer for gardeners growing acid-loving plants like blueberries.

Best organic fertilizer for eco-conscious gardeners seeking healthy, thriving plants.

Best organic phosphorus source for gardeners seeking vibrant, long-lasting blooms.

Best organic fertilizer for gardeners seeking safe, long-lasting plant nourishment.

Best organic fertilizer for gardeners seeking odorless, long-lasting soil nourishment.

Best organic fertilizer for home gardeners growing flavorful, high-yield tomatoes.

Best organic fertilizer for gardeners seeking sustainable, long-lasting plant nutrition.

Best organic soil amendment for health-conscious indoor and outdoor gardeners.

Best organic fertilizer for cannabis growers seeking sustainable, high-yield results.

Best organic phosphorus booster for gardeners growing vegetables, bulbs, and trees.

Best natural soil amendment for organic vegetable gardeners.

Best organic granular fertilizer for robust vegetative plant growth.

Best organic soil amendment for gardeners seeking stronger, more resilient plants.

Best organic soil amendment for sustainable gardeners seeking plant vigor.

Best organic soil amendment for gardeners seeking stronger plant stems.

Best soil booster for container gardeners seeking healthier, more resilient plants.

Best organic mineral supplement for home gardeners seeking healthier, more vibrant soil.

Best organic soil amendment for gardeners seeking resilient, healthy plant growth.

Best organic soil amendment for eco-conscious vegetable and flower gardeners.

Best organic supplement for livestock health and garden soil enrichment.

Best organic fertilizer for gardeners seeking sustained, root-strengthening plant nutrition.

Best soil amendment for organic gardeners seeking improved plant vitality and yields.

Best organic soil amendment for gardeners seeking natural, vibrant plant growth.

Best organic choice for gardeners seeking sustainable, all-purpose plant nutrition.

Best organic supplement for indoor gardeners prioritizing long term plant health.

Best organic root enhancer for home gardeners seeking vigorous plant growth.

Best organic mineral supplement for dedicated soil health enthusiasts.

Best premium potting medium for dedicated indoor gardeners seeking consistent growth.

Best intuitive indoor gardening system for beginners seeking reliable results.

Best organic soil amendment for gardeners seeking stronger, more resilient plants.

Best organic soil booster for gardeners seeking stronger, healthier plant roots.

Best all-in-one organic fertilizer for simplified soil maintenance and plant growth.

Best organic soil amendment for gardeners establishing new, resilient plantings.

Best organic bloom booster for gardeners seeking larger, healthier floral yields.

Best organic fertilizer for gardeners seeking sustained, natural plant growth.

Best organic fertilizer for gardeners seeking vigorous vegetative plant growth.

Best organic fertilizer for gardeners wanting vibrant, abundant blooms.

Best organic soil booster for dedicated home gardeners and indoor plant enthusiasts.

Best organic nutrient boost for dedicated home vegetable gardeners.

Best magnesium supplement for gardeners wanting vibrant, healthy flowering plants.

Best organic nitrogen source for rose enthusiasts and home gardeners.

Best CO2 solution for indoor gardeners seeking effortless plant growth.