Scientific Name: Polygonum aviculare Form: Creeping / Mat-like
Common Name:prostrate knotweed Texture:Fine
Family Name:PolygonaceaeHabit: Horizontal
Plant Type: Annual, Weed (horticultural) Mature Size (ht. X w.):< 0.1m x 0.3 - 0.6m
Origin: B.C. west of Cascades, B.C. east of Cascades, Canada - central, Canada - eastern, Canada - northern, U.S. - northwest, U.S. - northeast, U.S. - central, U.S. - southwest, Europe Hardiness Zone:Zone 5: (-29 to -23 C)
Leaves: Simple, Alternate, Soft flexible, Glabrous, Elliptic, Entire
Flowers: Flowers clustered, White, Pink, May- Sep
Fruit: Achene, Red, Brown, Jun- Oct
Exposure: Full sun
Soil or Media: Rocky or gravelly or dry
Landscape Uses:
Key ID Features:Often found emerging from concrete cracks and growing horizontally (prostrate); leaves opposite, mostly elliptical and less than 4 mm wide x 9 mm long.