Buttonbush (Cephalanthus occidentalis)

USDA Hardiness Zones

USDA hardiness zones
Buttonbush Buttonbush Buttonbush
Buttonbush (Cephalanthus occidentalis)
Zone Zone  more information
Hardy to zone 4b
Mature Height Mature Height
5 to 10 feet
Mature Spread Mature Spread
5 to 10 feet
Growth Rate Growth Rate
Sun Sun
Full Sun or Partial Shade
Moisture Moisture
Wet soil, poor drainage (also tolerant to moist soil, well-drained)
Fall Color Fall Color
Attracts Wildlife Attracts Wildlife
Flower Flower
Fruit Fruit
Evergreen Evergreen
Native to WI Native to WI
Additional Information Additional Information
loose, open, rounded, upright, irregular shrub; 5-10’ tall and wide; glossy, dark green leaves; no fall color; showy, creamy-white, rounded flower heads with projecting styles in summer; flower resembles a satellite; rounded, pinkish-red turning brown fruit in late summer to fall; full sun to partial shade; prefers loamy, wet soil, pH adaptable; sensitive to drought and road salt; do not shear; native to Wisconsin in wetlands; hardy to zone 4b

UW Extension
For more information, see the UW Extension Urban Horticulture Team Web site: https://hort.uwex.edu/
Primary Author: Dr. Laura Jull
Photos by: Dr. Laura Jull and Dr. Ed Hasselkus

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