Pink Stickseed
Hackelia mundula
Last reviewed: August 2026
Toxicity unknown
Pink Stickseed (Hackelia mundula) 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
part sun
Water
low
Size
4"–16" H × 4"–12" W
Bloom
May, Jun, Jul
Native to
CA, OR
Pollinators
bees, beetles
Before you buy
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Pink stickseed is a small annual wildflower that produces delicate pink blooms from May through July. This compact native forb grows in a low mound and thrives in partial sun with minimal water once established.
In an HOA neighborhood
Pink Stickseed takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Annual lifespan creates gaps in plantings
- Common name includes 'weed' which raises HOA concerns
- Can appear sparse or patchy as individual plants complete their lifecycle
Wildlife value
The flowers attract native bees and beetles during the late spring and summer blooming period. It provides habitat value for local pollinators.
Common questions
- How much sun does Pink Stickseed need?
- Pink Stickseed grows best in part sun conditions.
- When does Pink Stickseed bloom?
- Pink Stickseed blooms in May, June, and July.
- Where is Pink Stickseed native?
- Pink Stickseed (Hackelia mundula) is native to CA, OR, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Pink Stickseed attract?
- Pink Stickseed draws bees and beetles.
- Is Pink Stickseed HOA-friendly?
- Pink Stickseed 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 World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Pink Stickseed? 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