Boreal Chickweed, Mouse-Ear Chickweed

Cerastium biebersteinii

Family: Caryophyllaceae (kar-ree-oh-fil-AY-see-ee) (Info)
Genus: Cerastium (ker-RAS-tee-um) (Info)
Species: biebersteinii (by-ber-STY-nee-eye) (Info)


Alpines and Rock Gardens



Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


6-12 in. (15-30 cm)


12-15 in. (30-38 cm)

15-18 in. (38-45 cm)


USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:

Full Sun


Unknown - Tell us

Bloom Color:

White/Near White

Bloom Time:

Late Spring/Early Summer



Other details:

May be a noxious weed or invasive

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing the rootball

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

Direct sow as soon as the ground can be worked

From seed; sow indoors before last frost

From seed; direct sow after last frost

Seed Collecting:

Bag seedheads to capture ripening seed

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored

Gardeners' Notes:

No details have been posted.