Chickweed-Common

Pest: Chickweed, common (Stellaria media)

Pest Type: Annual broadleaf weed

Major Identifying Features: Prostrate and erect succulent annual that forms a dense mat, grows up to 2 inches, stems have a band of hairs along one side, bright green smooth leaves grow opposite, leaves are pointed, small white five-petaled flowers,

Life Cycle: Winter annual, grows from seeds

Pest Rating: Moderate

Management Rating: Moderate

Host/Season/Outbreak Information: Widespread in California in gardens, low maintenance lawns, agricultural areas, well-watered areas

Damage Information: Reservoir of insects pests and plant viruses, can produce 800 seeds and it takes 7-8 years for seeds in soil to be depleted, 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.

Sources:

http://www.ipm.ucdavis.edu

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