LARGE EASY TO GROW BULBS: Healthy Bulbs to Plant. Plant in Fall or Early Spring. Ideal in mass plantings, space 3-5 inches apart. BIG AND BEAUTIFUL BLOOMS: Great cut flowers. Elegant colored blooms are good for Hummingbirds and Butterfly too. TIPS FROM CZ GRAIN: Hyacinths grow best in full sun to light shade in a light, well-drained soil enriched with organic matter. Plant hyacinths in early Autumn; 4-6 inches deep, and 4-6 inches apart. CZ GRAIN GUARANTEE: We 100% back all of our natural products. Guaranteed!