Cerastium Species, Mouse-Ear Chickweed, Snow-in-Summer
Cerastiumtomentosum

Family: Caryophyllaceae (kar-ree-oh-fil-AY-see-ee)
Genus: Cerastium (ker-RAS-tee-um)
Species: tomentosum (toh-men-TOH-sum)

Category
Alpines and Rock Gardens
Groundcovers
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Succulent

Foliage Color
Bronze

Height
under 6 in. (15 cm)

Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
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 6a: to -23.3 °C (-10 °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)

Where to Grow
Grow outdoors year-round in hardiness zone

Danger
N/A

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details
May be a noxious weed or invasive

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds