Hairy Galinsoga
Galinsoga quadriradiata
Last reviewed: June 2026
Light
part shade
Water
medium
Size
6"–24" H × 6"–18" W
Bloom
Jun, Jul, Aug, Sep
Native to
OR, WY
Pollinators
bees, flies, beetles
Hairy galinsoga is a small annual wildflower that produces tiny white daisy-like blooms from summer through early fall. This adaptable plant thrives in partial shade with moderate water needs and typically reaches 6 to 24 inches in height.
In an HOA neighborhood
Hairy Galinsoga 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.
- Often considered a weedy annual
- Small flowers may look unkempt in formal settings
- Self-seeds readily and can spread unpredictably
Wildlife value
The small flowers attract a variety of beneficial insects including native bees, flies, and beetles throughout the long blooming season from June through September.
Common questions
- How much sun does Hairy Galinsoga need?
- Hairy Galinsoga grows best in part shade conditions.
- When does Hairy Galinsoga bloom?
- Hairy Galinsoga blooms in June, July, August, and September.
- Where is Hairy Galinsoga native?
- Hairy Galinsoga (Galinsoga quadriradiata) is native to OR, WY, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Hairy Galinsoga attract?
- Hairy Galinsoga draws bees, flies, and beetles.
- Is Hairy Galinsoga HOA-friendly?
- Hairy Galinsoga takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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 Hairy Galinsoga? 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