How much sun does Thread-leaf Fleabane need?

Thread-leaf Fleabane grows best in full sun conditions.

When does Thread-leaf Fleabane bloom?

Thread-leaf Fleabane blooms in May, June, and July.

Where is Thread-leaf Fleabane native?

Thread-leaf Fleabane (Erigeron filifolius) is native to CA, ID, MT, NV and 3 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Thread-leaf Fleabane attract?

Thread-leaf Fleabane draws bees and butterflies.

Is Thread-leaf Fleabane HOA-friendly?

Thread-leaf Fleabane is generally an HOA-friendly choice in the right placement, with low maintenance.

Thread-leaf Fleabane

Name: Pollinator Patch
Author: Pollinator Patch

Erigeron filifolius

Last reviewed: September 2026

Thread-leaf Fleabane (Erigeron filifolius) is a perennial forb native to CA, ID, MT, NV and 3 more states. It blooms in May, June, and July. The flowers draw bees and butterflies. It reads as an intentional, HOA-friendly planting in the right spot.

Toxicity unknown

Thread-leaf Fleabane (Erigeron filifolius) 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"–16" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

CA, ID, MT, NV and 3 more states

Pollinators

bees, butterflies

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 458 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 Sierra Nevada North American Deserts Central Basin and Range

A low, mat-forming perennial wildflower with narrow, thread-like leaves and small daisy-like flowers held on slender stems above the foliage. Grows in dry, rocky, well-drained soil.

Growing Thread-leaf Fleabane

Grow Thread-leaf Fleabane in full sun and low water. Mature plants reach 6 to 16 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Thread-leaf Fleabane is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: rock gardens, border edges, low water beds.

Wildlife value

Provides early-season nectar and pollen for native bees and other pollinating insects in dry, rocky habitats where blooms are otherwise scarce in spring.

Common questions

How much sun does Thread-leaf Fleabane need?: Thread-leaf Fleabane grows best in full sun conditions.
When does Thread-leaf Fleabane bloom?: Thread-leaf Fleabane blooms in May, June, and July.
Where is Thread-leaf Fleabane native?: Thread-leaf Fleabane (Erigeron filifolius) is native to CA, ID, MT, NV and 3 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Thread-leaf Fleabane attract?: Thread-leaf Fleabane draws bees and butterflies.
Is Thread-leaf Fleabane HOA-friendly?: Thread-leaf 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 Thread-leaf Fleabane? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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