Dumb-nettle
Galinsoga parviflora
Last reviewed: June 2026

Light
part shade
Water
medium
Size
6"–24" H × 6"–12" W
Bloom
Jun, Jul, Aug, Sep
Native to
AZ, NH, NM, TX
Pollinators
bees, flies
Browse plants for this ecoregion
Galinsoga parviflora is a small annual wildflower with tiny white daisy-like blooms that appear from summer through early fall. This humble plant grows in a bushy form and thrives in partial shade with moderate watering needs.
In an HOA neighborhood
Dumb-nettle 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 weed by conventional standards
- Very informal appearance with tiny scattered flowers
- May self-seed aggressively as an annual
Wildlife value
The small flowers attract various pollinators including bees and flies throughout the long blooming season from June through September.
Common questions
- How much sun does Dumb-nettle need?
- Dumb-nettle grows best in part shade conditions.
- When does Dumb-nettle bloom?
- Dumb-nettle blooms in June, July, August, and September.
- Where is Dumb-nettle native?
- Dumb-nettle (Galinsoga parviflora) is native to AZ, NH, NM, TX, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Dumb-nettle attract?
- Dumb-nettle draws bees and flies.
- Is Dumb-nettle HOA-friendly?
- Dumb-nettle 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 Dumb-nettle? 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