Chickweed-Mouse Ear

Pest: Chickweed-Mouseear (Cerastium fontanum ssp. vulgare)

Pest Type: Perennial broadleaf weed (behaves like annual or annual in disturbed areas)


Major Identifying Features: Grows up to 20 inches, it is a hairy plant with creeping mat-like stems that root from the stem joints, opposite leaves, hairy leaves and stems, tiny inconspicuous flowers

Life Cycle: Winter annual, grows from seeds, blooms from March to August

Pest Rating: Moderate

Management Rating: Moderate

Host/Season/Outbreak Information: Widespread in California in the northwestern region, Cascade Range, Sierra Nevada, up to 7200 feet, agricultural areas and disturbed sites

Damage Information: Reservoir of insects pests and plant viruses, can limit winter vegetables, reduces aesthetic value, forms a dense mat

Management Options: Cultural control by hand weeding, solarization, mulching, planting other plants (lawns), biological control by grazing sheep and birds, non-chemical control is safest.



Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s