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, ID, MT, ND and 5 more states, per the World Checklist of Vascular Plants (Kew).

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.

Three-Nerve Fleabane

Name: Pollinator Patch
Author: Pollinator Patch

Erigeron subtrinervis

Last reviewed: August 2026

Toxicity unknown

Three-Nerve Fleabane (Erigeron subtrinervis) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

6"–18" H × 6"–12" W

Bloom

Jun, Jul, Aug

Native to

CO, ID, MT, ND and 5 more states

Pollinators

bees, butterflies, beetles

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Northwestern Forested Mountains North American Deserts Southern Rockies Arizona/New Mexico Mountains Northwestern Great Plains

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, ID, MT, ND and 5 more states, per the World Checklist of Vascular Plants (Kew).
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 World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Three-Nerve Fleabane? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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