The All Season Fruit, Nut and Citrus Fertilizer Spikes are designed for use with shrubs and trees, providing essential nutrients like nitrogen, potassium, and phosphorus for healthy growth and fruit production. With a slow-release formula and water-soluble characteristics, these spikes offer a convenient and effective way to nourish your plants throughout the growing season. The product is safe for use with a variety of fruits, nuts, and citrus plants, promoting vibrant blooms and bountiful harvests. Perfect for home gardeners looking to enhance the health and beauty of their outdoor plants, these fertilizer spikes are a valuable addition to any plant care regimen.