Giant Symphyotrichum
Symphyotrichum giganteum
A tall California native aster reaching 5–6 feet with purple daisy-like flowers blooming late summer through fall. Excellent for naturalised gardens and attracts pollinators.
Bloom time
Aug–Oct
Hardiness
Zones 5–9
Sun
Full sun
Water
Moderate water
Mature size
1.8 m × 0.9 m
Type
Perennial
Bloom calendar
When Giant Symphyotrichum is typically in flower across the year.
Growing Giant Symphyotrichum
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 5–9. Expect it to reach about 1.8 m tall and 0.9 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.