Hibiscus Summerific® 'Valentine's Crush' (Hardy Hibiscus)We can't say enough about the impressive performance of the hardy Summerific Series, we can just add another one! It's easy to swoon over the large bright red 7 8" wide blooms, with sturdy stems and an upright habit. Leaves have a dark bronze cast in full sun. Plant 36 38" apart. PP#35170 Photo courtesy of Walters Garden, Inc. Sunlight Requirements: Full Sun USDA Hardiness Zones: 4 9