American Cudweed
Gamochaeta purpurea
Last reviewed: June 2026
Light
full sun
Water
low
Size
4"–24" H × 4"–12" W
Bloom
May, Jun, Jul, Aug, Sep
Native to
AL, AR, AZ, CT and 28 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
Purple cudweed is a low-growing annual wildflower with small purple-tinged flower clusters and fuzzy gray-green leaves. It forms compact mats and blooms from late spring through early fall, thriving in sunny, dry conditions. This drought-tolerant plant readily self-seeds and naturalizes in sandy or poor soils.
In an HOA neighborhood
American Cudweed takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Annual nature creates inconsistent coverage year to year
- Small stature and informal appearance may look weedy
- Can spread unpredictably through self-seeding
Wildlife value
The small flowers provide nectar for native bees and beetles throughout the long blooming season. Its extended flowering period offers consistent pollinator support from May through September.
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 American Cudweed fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.