Calphos Soft Rock Phosphate (25 lb bag)

Boost soil fertility and support strong root development with Calphos Soft Rock Phosphate, a natural source of phosphorus and calcium. This finely ground mineral powder provides essential nutrients that promote vigorous plant growth, improve flowering, and enhance fruit and vegetable production. Ideal for natural gardening, Calphos releases nutrients slowly over time, ensuring long-term benefits for soil health. Phosphorus plays a crucial role in energy transfer, root establishment, and bloom formation, while calcium strengthens cell walls and improves overall plant resilience. For a deeper understanding of phosphorus's impact on plant health, you might find our article on How to Use Fertilizers—Soft Rock Phosphate insightful. Calphos Soft Rock Phosphate can be applied before planting or used as a top dressing throughout the growing season. For specific guidance on phosphorus application for bulbous plants, refer to our blog post What Phosphorus is Right For Your Bulbs? Key Benefits: