 Early spring is the time to apply Medina's Organic Fertilizer Grow and Green for lawns, gardens, landscaping, potted plants, and all other plantings. Medina Grow and Green 961 and 323 Organic Fertilizers are naturally slow-release, loaded with a wide complement of organic matter, major nutrients, micronutrients, and other elements to bring the soil to life and grow healthy, stress-free crops.