Scientific Name: Chamerion angustifolium ( syn. Epilobium )
Common Name: fireweed
Family Name: Onagraceae
Origin: North America
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Herbaceous perennial, Weed (horticultural)
Mature Size: 1.3 - 2.0m x 1.0 - 1.5m (height x width)
Habit: Arching, Open, Spreading
Form: Oval - vertical
Texture: Medium - fine
Landscape Uses: Attract butterflies, Group or mass planting, Herb, Perennial border, Reclamation, Summer interest
Exposure: Full sun
Soil or Media: Well-drained
Leaves: Simple, Alternate, Spiraled, Sessile, Soft flexible, Pinnate venation, Glabrous, Elliptic, Lanceolate, Entire
Flowers: Raceme, White, Pink, Jul-Aug-Sep
Fruit: Capsule, Brown, Silver, Aug-Sep-Oct
Key ID Features:
Leaves alternate and spirally arranged, most lanceolate, sessile, and less than 2cm wide x 12cm long; florets in racemes to 60cm long; fruit capsules to 5cm long, developing at the bottom of the raceme as florets continue to form near tip.