Holy Grail
Hibiscus 'Holy Grail'
Holy Grail blooms from July through September.
Bloom time
Jul–Sep
Hardiness
Zones 5–9
Sun
Full sun
Water
High water
Mature size
1.2 m × 1 m
Type
Perennial
Bloom calendar
When Holy Grail is typically in flower across the year.
Growing Holy Grail
Plant it in full sun. It prefers high water. It is hardy in USDA zones 5–9. Expect it to reach about 1.2 m tall and 1 m wide at maturity, in roughly 2 years.
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.