Three-Nerve Fleabane
Erigeron subtrinervis
Last reviewed: June 2026
Light
full sun
Water
low
Size
6"–18" H × 6"–12" W
Bloom
Jun, Jul, Aug
Native to
CO
Pollinators
bees, butterflies, beetles
Three-nerved fleabane is a compact native wildflower that forms neat clumps of narrow leaves topped with cheerful white daisy-like flowers. It blooms reliably through summer months and requires minimal water once established. This low-maintenance perennial works well in rock gardens and drought-tolerant landscapes.
In an HOA neighborhood
Three-Nerve Fleabane is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The abundant summer flowers attract native bees, butterflies, and beneficial beetles. Its long blooming period provides consistent nectar when many other wildflowers have finished flowering.
Common questions
- How much sun does Three-Nerve Fleabane need?
- Three-Nerve Fleabane grows best in full sun conditions.
- When does Three-Nerve Fleabane bloom?
- Three-Nerve Fleabane blooms in June, July, and August.
- Where is Three-Nerve Fleabane native?
- Three-Nerve Fleabane (Erigeron subtrinervis) is native to CO, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Three-Nerve Fleabane attract?
- Three-Nerve Fleabane draws bees, butterflies, and beetles.
- Is Three-Nerve Fleabane HOA-friendly?
- Three-Nerve Fleabane is generally an HOA-friendly choice in the right placement, with low maintenance.
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.
Ready to grow Three-Nerve Fleabane? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz