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Mouse-ear Chickweed

Cerastium glomeratum

Last reviewed: August 2026

Mouse-ear Chickweed (Cerastium glomeratum)
Photo: Duarte Frade / Wikimedia Commons (CC BY 4.0)

Toxicity unknown

Mouse-ear Chickweed (Cerastium glomeratum) 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 shade

Water

medium

Size

2"–12" H × 4"–8" W

Bloom

Mar, Apr, May, Jun

Pollinators

bees, flies

Native alternatives to Mouse-ear Chickweed

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 area

Mouse-ear chickweed is a low-growing annual wildflower with small white flowers that bloom from spring through early summer. This compact plant forms small mats in partial shade areas and provides early season color in naturalized settings.

In an HOA neighborhood

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.

  • Commonly considered a lawn weed
  • Unpredictable annual growth pattern
  • Very informal appearance

Wildlife value

The small white flowers attract bees and flies during the spring blooming period. As an early bloomer, it provides nectar when few other flowers are available.

Common questions

How much sun does Mouse-ear Chickweed need?
Mouse-ear Chickweed grows best in part shade conditions.
When does Mouse-ear Chickweed bloom?
Mouse-ear Chickweed blooms in March, April, May, and June.
What pollinators does Mouse-ear Chickweed attract?
Mouse-ear Chickweed draws bees and flies.
Is Mouse-ear Chickweed HOA-friendly?
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.

See all plant problem guides

Ready to grow 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