Little Ironweed
Cyanthillium cinereum
Last reviewed: June 2026
Light
full sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
May, Jun, Jul, Aug, Sep, Oct
Native to
FL
Pollinators
bees, butterflies, moths
Little ironweed is a compact native perennial that produces clusters of small purple flowers from late spring through fall. This low-growing wildflower forms neat clumps and provides reliable color in sunny gardens with moderate water needs.
In an HOA neighborhood
Little Ironweed 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.
- Common name includes 'weed' which creates negative perception
- May appear too wild or informal for typical HOA standards
- Growth habit could be seen as unstructured
Wildlife value
The long blooming period makes this an excellent nectar source for bees, butterflies, and moths throughout the growing season. Native pollinators particularly value the small but abundant purple flower clusters.
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 Little Ironweed fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.