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Epilobium angustifolium /Fireweed, Rosebay Willowherb
In the wild near Skagway, Alaska
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In the wild near Skagway, Alaska
Can become established in large masses
Growing in full sunlight were summers are cool
Seed capsules present in early fall
Pink to purplish flowers present in June to September
Seed capsules opening
From a distance the open seed capsules may be thought to be a flowers
Close-up of open seed capsules
Autumn color of foliage
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Scientific Name:
Epilobium angustifolium
Common Name:
Fireweed, Rosebay Willowherb
Leaf Type:
Broadleaf
Hardiness Zone:
4, 5, 6, 7, 8, 9, 10
Determine Your Zone
Height:
2- 5 feet
Spread:
2 -3 feet
Bloom time:
Summer
Flower color:
Pink, Purple
Light Exposure:
Sun, Part Sun
Drainage:
Well drained, Moist
Rate of Growth:
Fast
Water Requirement:
Medium
Maintenance Level:
Low
Comments:
Ordinarily grown where summers are cooler and often not seen further south than the mountains of North California and Georgia. This plant becomes dormant in long, hot summers. A species that spreads by underground rhizomaes but does not generally become an invasive pest.