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Cephalanthus occidentalis
Buttonbush
Plant Type:
DECIDUOUS SHRUBSCephalanthus occidentalis - Large rounded shrub cloaked in dark green leaves. Globe-shaped white Sputnik flowers dot the shrub, July and August in northeastern Connecticut. They are approximately 1 to 1.25 inches diameter. The balls are a big draw for bees and butterflies. Frogs love it. Ducks love it. The Soviet space program loved it and we're presuming Russians still love it... alright, alright: scratch the Soviet/Russian thing. Site in part shade; a mix of sun and shade seems to suit Buttonbush. Always plant in moist to wet organic soil. Ours revels in rich bottomland soil. Native to a broad swath of North America from New Brunswick to Florida, west to Minnesota, south to New Mexico, Arizona, and into central California, Mexico, Cuba and East Asia. With such a broad nativity we have to believe that there are provincial distinctions. Our shrub is bone hardy here in USDA zone 5b. Established potted Buttonbush from cutting.
Characteristics and Attributes for Cephalanthus occidentalis
Season of Interest (Flowering)
- Late Spring / Summer
Season of Interest (Foliage)
- Spring / Summer
Nature Attraction
- Butterflies
- Deer Resistant
- Honey Bees & Native Bees
Light
- Dappled Shade
- Full Sun
- Mostly Sunny
Attributes
- Bog
- Shrub Border
- Pond, Bog, Wetland
- Hedgerow
- Filler
- Wildlife Garden
- Marginal
Growth Rate in the Garden
- Moderately Fast
Soil
- Fertile
- Wet
Origins
- Cuba
- North America
- Mexico
Propagated By
- Cutting Grown