Alaska Fish Fertilizer is a 5-1-1 fertilizer concentrate that can be used for organic gardening on all types of indoor and outdoor plants. This natural based formula provides a rich source of organic matter that breaks down and releases nutrients into the soil to enhance the strength and vigor of your plants. Use this OMRI listed fish fertilizer on all plants including vegetable gardens, fruits, roses, shrubs, trees and container plants. Nutrient-rich fish has been used as a fertilizer for centuries. The Pilgrims even buried fish in the soil to ensure vigorous plant growth and plentiful harvests. Generations of gardeners have since relied on Alaska products to provide this traditional, time-tested fertilizer in formulas that are easy and convenient to use in your lawn care regimen.