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Botanical Garden

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Genus: Cephalanthus Species: occidentalis 'Key Stone' Common Name: Buttonbush Family: Rubiaceae Order: Gentianales Native: Eastern North America Habit: Shrub Height: 6 to18 feet Width: 4 to 8 feet Flowering Season: Summer Flower Color: Cream Propagation: Seed or stem cutting Zone: 5-9 Note: This shrub is suitavele for rain gardens, borders, and near ponds or streams. Flower heads has long styles and are fragrant. These flowers attract butterflies and bees. Pruning the branches, after the flowering period is recommended. Prefers sunny to partly shady, moist, well-drained, ordinary garden soil.