Similar to: Wiggle Worm Soil Builder

Top Picks

Brut Worm Farms Worm Castings
Top Pick

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

A nutrient-dense soil amendment that naturally boosts plant vitality and root health. This organic, indoor-raised formula provides a gentle, effective way to nourish everything from houseplants to vegetable gardens without harsh chemicals.

Organic Growth

Certified Organic

Bountiful Yields

Family Crafted

Espoma Rose-tone Fertilizer
Runner-Up

Best organic fertilizer for gardeners growing prize-winning roses and shrubs.

This is the gold standard for rosarians who want prize-winning blooms without relying on synthetic chemicals. While you sacrifice the instant, aggressive kick of chemical fertilizers, you gain a slow-release, soil-building formula that creates healthier, more resilient plants over the long term.

Bio-tone Microbes

All-Natural

Slow-Release

Bloom Booster

Coast of Maine Kelp Meal Plant Food
Best Value

Best organic nutrient boost for all types of home gardeners.

This nutrient-dense kelp meal is the ultimate stress-reliever for your garden, effectively buffering plants against the shock of transplanting. While it requires a bit more hands-on effort than a standard synthetic liquid, the long-term vitality and soil health it builds are well worth the extra work.

Kelp Nutrition

Nutrient Rich

Healthier Growth

Boosts Yields

Best organic fertilizer for home gardeners seeking high-yield vegetable harvests.

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

Best organic fertilizer for gardeners wanting vibrant, abundant blooms.

Best organic solution for home gardeners seeking higher fruit and vegetable yields.

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

Best organic fertilizer for rose gardeners seeking vibrant, healthy blooms.

Best organic fertilizer for gardeners seeking vibrant, long-lasting floral blooms.