Plant in moisture-retentive, humusy soil in dappled shade. Few varieties tolerate sun while most will grow in full shade. Space 18-36" apart. A very long-lived perennial that rarely needs to be divided. Grown for their handsome foliage, hostas are the backbone of most shade gardens. Grows 18-36" tall, depending on variety. Blooms summer. Hardy in zones 3-9.