Buttonbush (Cephalanthus occidentalis)

©Photos by Alicia Douglass

• Family: Madder (Rubiaceae)
• Habitat: swamps, edges of streams and ponds
• Height: 3-10 feet
• Flower size: 1/3 inch flowers in spherical clusters 1-1/2 inches across
• Flower color: white
• Flowering time: June to August
• Origin: native