General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Wet Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Maximum recommended zone: Zone 9b
Plant Height: 2 to 5 feet
Plant Spread: 4 to 8 feet
Fruit: Dehiscent
Other: Brown capsule containing numerous seeds.
Flowers: Showy
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Late summer or early fall
Underground structures: Rhizome
Wildlife Attractant: Butterflies
Pollinators: Various insects

Common names
  • Fireweed
  • Narrow-Leaved Willowherb
  • White Rosebay Willowherb
  • Willow Rose
Botanical names
  • Accepted: Chamaenerion angustifolium subsp. angustifolium
  • Synonym: Epilobium angustifolium subsp. angustifolium
  • Synonym: Epilobium angustifolium var. album

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