Liquinox™ Grow+ Liquid Fertilizer is an 8-0-0 calcium based fertilizer great for all plants in your yard and landscape. It helps build strong cell walls and increases plant vitality. Calcium plays a critical role in soil balance and improves water penetration. Every plant needs calcium to grow and will help reduce plant stress. Apply every two weeks all year long for beautiful landscape. Derived from: Calcium Ammonium Nitrate.