Soil Life & Biology Inputs

Compare products by nutrient analysis, formulation, application method and label directions.

Plant roots extending through dark garden soil

Products to Improve Soil Life and Garden Soil Health

Healthy soil is an important foundation for productive gardens, and supporting soil life can help create a more balanced growing environment for plants. Our collection features organic fertilizers, compost, earthworm castings, kelp products, mineral amendments, and other soil-building products designed to support healthy soil and plant growth.

Whether you’re adding nutrients, increasing organic matter, or supporting beneficial microorganisms, these products can be incorporated into a variety of gardening and soil-care practices. Compost, manure, and earthworm castings can help add organic material to garden soil, while fertilizers and mineral amendments provide nutrients and other elements plants need.

For gardeners looking to support beneficial microorganisms, explore our collection of products that boost microbial activity. To build soil structure and fertility, our selection of products that adds organic matter can help replenish organic material in the soil. We also offer products that add humus or humic acid, which can be useful as part of a broader approach to soil improvement.

From compost and organic fertilizers to kelp, rock dust, and other amendments, our collection provides practical options for gardeners working to improve soil quality and support healthy soil life throughout the growing season.

Use soil testing and observations of the growing site to guide your soil life plan. Compare what each product supplies and follow its directions; a fertilizer, compost, and microbial inoculant serve different roles.