prostrate knotweed

Polygonum aviculare

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Weed Characteristics

Other names: yard knotweed, door-weed, mat-grass, knot-grass
Leaf type: Broadleaf
Flowers: White, green, pink

Ground-hugging, mat-forming weed with branching stems. Leaves are narrowly oval and dull blue-green. One of the first annuals to emerge in spring, but grows slowly until mid-summer. Flowers are insignificant.