Clammy Cuphea
Cuphea viscosissima
Last reviewed: June 2026
Light
full sun
Water
medium
Size
12"–24" H × 6"–12" W
Bloom
Jul, Aug, Sep
Native to
AL, AR, CT, DE and 26 more states
Pollinators
bees, butterflies
Clammy cuphea is a native annual wildflower that produces small, tubular purple flowers from July through September. This compact plant grows 12-24 inches tall with a neat, upright habit that fits well in cultivated gardens.
In an HOA neighborhood
Clammy Cuphea is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May self-seed and appear weedy if not managed
Wildlife value
The tubular flowers attract both bees and butterflies throughout the summer blooming period. As a native annual, it provides reliable nectar sources during late summer when many other flowers are fading.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Clammy Cuphea fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.