Calphos Soft Rock Phosphate - Regular Powder (50 lb) Broccoli Seeds promoting healthy growth

promoting healthy growth

slow-release fertilizer to provide them with the necessary nutrients for robust growth and blooming

seasonal interest

play a crucial role in signaling the ripening process

free of synthetic chemicals—great for organic gardens and environmentally conscious growers

Calphos Soft Rock Phosphate - Regular Powder (50 lb) Broccoli Seeds promoting healthy growthCalphos Soft Rock Phosphate is a natural phosphate fertilizer made from finely ground soft rock. It is OMRI listed for organic use and is especially effective in acid soil and slightly acidic environments. This product is a reliable source of calcium phosphate and trace minerals that gradually release into the soil. The slow release of nutrients supports healthy plant growth, improves soil fertility, and provides benefits that last for the long term.