Polygonum aviculare Plant Data Family Name: Polygonaceae Common Name: prostrate knotweed Other Name(s): Polygonum aviculare Hardiness Zones: Zone 5: (-29 to -23 C) Plant Code: poav Fruit Color: Red, Brown, Flowering Time: May, Sep, Flowering Color: White, Pink, Leaf Form: Simple, Leaf Arrangement: Alternate, Leaf Shape: Lanceolate, PlantSomething BC Garden Centre Listings No members have selected this plant.