Organic Compost Indoor / Outdoor - 8 Dry Quarts Made of 100% Composted Materials--- Organic Compost adds natural organic materials for a vibrant, thriving garden, use with flowers, vegetables, lawns, shrubs, and trees. Green Planet Naturals (GPN) Organic Compost can be used alone as a planting medium, blended into your favorite soil mix, or applied topically to existing soils. When planting or transplanting, mix half or more Green Planet Naturals Organic Compost into your planting medium. For existing plantings, work a thin layer of GPN Organic Compost into the top 1-2 of your soil. GPN Organic Compost twice annually for all your plants, spring and fall, indoors and outdoors, to nourish the soil with rich organic materials. Includes GPN Organic Compost made to USDA's National Organic Program (NOP) standards for certified organic food production.