Foliage is the outstanding feature for Hostas. All of our varieties display and erect stem of lily-like flowers in mid to late summer. Best if planted in partial shade but will tolerate full sun. Blue Mammoth is a very large variety with powder blue, heavily corrugated leaves. 4-5 in diameter with flower scapes reaching 3 tall. White bell shaped flowers. Shade to sun Zone: 3-9 ST_SHD ST_PSD ST_FSN