2.04 kg. This 12-4-8 all-purpose plant fertilizer contains natural ingredients, such as kelp, earthworm castings, feather meal, and bone meal. It can be applied above or below the soil, and for in-ground or in-container plants. One application feeds for up to three months. Improving root development and strength, this fertilizer is great for flowers, trees, shrubs, vegetables, house plants, etc.