Pépinière Lemay Nursery
Buttonbush
Buttonbush
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Common Name: Buttonbush
Scientific Name: Cephalanthus occidentalis
Zone: 4 to 9
Blossom Colour: Creamy white (spherical “button” flower clusters)
Flowering Type: Early to mid‑summer (June–August)
Summer Colour: Glossy medium‑green foliage
Fall Colour: Yellow to orange‑bronze; rounded seed heads dry to russet‑brown and persist into winter
Mature Height (ft): 6 to 12 (can reach 15 ft in ideal wet sites)
Mature Spread (ft): 4 to 8
Exposure: Full Sun to Part Shade (best flowering in full sun)
Tree Type: Deciduous Shrub
Watering: High; thrives in moist to wet soils, tolerates periodic flooding and shallow standing water
Fertilization: Usually unnecessary in fertile sites; if growth is weak, apply a balanced slow‑release fertilizer in early spring or incorporate organic compost
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