Hibiscus 'Heartthrob' (PPAF) is the darkest red hibiscus to date, with deep red blossoms and a blackish-red center and veining. It is somewhat compact, growing to 4' high, and is covered with 8 to 10" flowers in late summer.
||Spacing: 36" apart
|Light: Full sun to part sun
||Soil: Humus-rich, moist but well-drained
|Bloom Time: Summer to fall
||Zones: 4 - 9
Photo courtesy of Walters Gardens, Inc.