Five-stamen Mouse-ear Chickweed
Cerastium semidecandrum
Last reviewed: August 2026
Toxicity unknown
Five-stamen Mouse-ear Chickweed (Cerastium semidecandrum) 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
2"–8" H × 2"–6" W
Bloom
Apr, May, Jun
Pollinators
bees, beetles
Native alternatives to Five-stamen Mouse-ear Chickweed
Five-stamen Mouse-ear Chickweed is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.
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 areaFive-stamen mouse-ear chickweed is a small annual wildflower that grows close to the ground with tiny white blooms in spring and early summer. This low-growing plant requires minimal water and thrives in sunny locations with poor soils.
In an HOA neighborhood
Five-stamen Mouse-ear Chickweed 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.
- Very weedy appearance resembles common lawn weeds
- Sparse growth habit looks unkempt
- Dies back completely after spring bloom
Wildlife value
The small flowers provide nectar for native bees and beetles during the spring blooming period.
Common questions
- How much sun does Five-stamen Mouse-ear Chickweed need?
- Five-stamen Mouse-ear Chickweed grows best in full sun conditions.
- When does Five-stamen Mouse-ear Chickweed bloom?
- Five-stamen Mouse-ear Chickweed blooms in April, May, and June.
- What pollinators does Five-stamen Mouse-ear Chickweed attract?
- Five-stamen Mouse-ear Chickweed draws bees and beetles.
- Is Five-stamen Mouse-ear Chickweed HOA-friendly?
- Five-stamen Mouse-ear Chickweed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Five-stamen Mouse-ear Chickweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz