Botanical Name

Cephalanthus occidentalis

Commonly known as Buttonbush

Cephalanthus occidentalis (Buttonbush)
Shrub

Weird and wonderful pincushion flowers like tiny white globes on a tough native that thrives in wet conditions.

Quick Reference
Bloom Season
Jul to Aug
USDA Zones
5-9
Sun
Full Sun or Part Sun
Water
High - consistently moist
Mature Height
6-10'
Bloom Colors
White
Native Species Pollinator Friendly Hummingbird Magnet
Read the full Buttonbush growing guide →

Companion plants, planting tips, FAQ, and more

About This Name

Cephalanthus occidentalis is the scientific name used by botanists, nurseries, and seed catalogs to identify Buttonbush unambiguously. The genus Cephalanthus places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Buttonbush, looking up plant care details, or comparing varieties, searching by Cephalanthus occidentalis will give you the most precise results.