Epilobium angustifolium (Fireweed or Great Willow-herb)


Botanical Information

FamilyOnagraceae
GenusEpilobium
Speciesangustifolium
SynonymsChamerion angustifolium, Chamerion spicatum
CategoryPerennials, Wildflowers & Weeds
OriginNative to the temperate Northern Hemisphere, including some parts of the Boreal forests. It is the floral emblem of the Yukon.
Pronunciation

Details

USDA Hardiness Zone1-6a
USDA Hardiness Ref.
Canadian Hardiness Zone2-7
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
GrowthFast
Flowering PeriodJune, July

Description and Growing Information

Flower DescriptionFlowers 2-3 cm across with 4 sepals and 4 petals, f4 lobed and nodding with 8 pistils and 1 stigma.

Photographs