Fireweed

Fireweed

Epilobium angustifolium

This upright perennial bears purple flowers in summer.

  • Purple flowers are produced in summer, providing colour through the bloom season.
  • Upright clump, reaching 1.5 m at maturity; divide every three to four years to maintain vigour.
  • Best in full sun to partial shade to full shade with moist, average, well-drained, wet soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Well-drained, Moist, Average, Wet
Hardiness Zone
2 – 2
Mature Height (meters)
0.6 – 1.5
Mature Spread (meters)
0.6 – 0.9
Growth Rate
Fast
Flower Colour
Purple
Foliage Colour
Green
Fall Colour
Red
Bloom Time
Summer
Habit
Upright
Pollinator Friendly
Attracts Birds
Ontario Native
Landscape Uses
Mass planting, Accent, Border
Growing & Maintenance Tips
Grows best in organically rich, well-drained soils in full sun to partial shade. Hot, dry locations often cause Epilobium to go into dormancy. Remove spent flowers for additional blooms and to prevent self-seeding in unwanted areas.
Notes
Native to Ontarioand most of the Northern Hemisphere

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