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| Identification |
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Genus
Epilobium
Species
angustifolium
Variety
Cultivar
Common names
fireweed
willow herb
Family
ONAGRACEAE
Specimen number
S13775
Data source
Allergy p283;HtZn p110
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| Life cycle |
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Life form
Terrestrial
Life cycle
Perennial
Life span
3 - 10 years
Annual cycle
Not applicable
Stature
Flower
Growth form
Not applicable
Growth habit
Various
Overall height
3' - 5'
Overall spread
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| Climate |
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Sunshine
Full sun
Water
Dry to moist
Optimal soil texture
Various
Acceptable soil pH
Neutral
USDA hardiness
USDA zones 02a-09b
AHS heat zones
Heat zones 07-03
Sunset climate zones
Not classified
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| Garden |
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Suitable for gardens
yes
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
Be careful where you put this because of its invasive tendencies. Epilobium angustifolium can survive the coldest of winter climates with annual temperatures as low as -50� Fahrenheit. Fireweed (also known as willow herb) does very well with hot summer days. Full sun is best for growing this plant. It likes dry to moist soils.
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| Special qualities |
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Tolerates drought
no
Tolerates high humidity
no
Tolerates seaside conditions
no
Insect resistant
no
Disease resistant
no
Deer resistant
no
Best uses
Symbiosis
Attracts butterflies
no
Attracts hummingbirds
no
Autumn foliage
no
Colorful berries
no
Desirable qualities
Other interest
Other interest color
Other interest period
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| Adverse factors |
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Common pests
Poisonous parts
Poisonous indications
Internal poison
no
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Light
Hay fever season
Jul 01 - Sep 30
Adverse qualities
Invasive
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| Herbal medicine |
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Medicinal properties
Medicinal parts
Has medicinal uses
no
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
Medicinal notes
This anemophilous species has only a light pollen count during hay fever season. July to September is the usual season for causing hay-fever problems.
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| Traditional uses |
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Parts used
Traditional uses
Contemporary uses
Fragrance
Fragrance parts
Fragrance intensity
Fragrance category
Dye parts
Dye color
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| Cultivation |
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Propagule
Various
Pollination method
Planting style
Crop spacing
Row spacing
Cold frame
Planting period
Harvesting period
Frost tolerance
Heat requirement
Fertilizer
Typical
Time to harvest
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| Nutrition |
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Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
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| Horticulture |
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Horticulture notes
Epilobium angustifolium is a wildflower that occurs throughout US.
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| Herbarium |
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Tag needs printing
no
Collection notes
Epilobium angustifolium is a perennial. Flowers: Fireweed (locally known in some parts as willow herb) has spikes of small flowers atop semi-erect stems. Blossoms appear in June and continue through August. Typically the flowers are either lilac or purple.
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Page 1733 of 4998
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