Epilobium Species, Blooming Sally, Fireweed, Great Willowherb, Rosebay Willow Herb

Epilobium angustifolium

Family
Onagraceae (on-uh-GRAY-see-ee)
Genus
Epilobium (ep-ih-LOW-bee-um)
Species
angustifolium (an-gus-tee-FOH-lee-um)
Synonym
Sun Exposure
Light Shade
Foliage
Herbaceous
Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Pollen may cause allergic reaction
Bloom Color
Pink
Lavender
White/Near White
Bloom Time
Mid Summer
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Anchorage, Alaska(2 reports)

Seward, Alaska

Flagstaff, Arizona

Richmond, California

Saint Helen, Michigan

Warren, Michigan

Crown Point, New York

Portugal Cove-St. Philip's, Newfoundland and Labrador

Klamath Falls, Oregon

Portland, Oregon

Mercer, Pennsylvania

Lubbock, Texas

Blakely Island, Washington

Bremerton, Washington

Everett, Washington

North Sultan, Washington

Spokane, Washington

Stanwood, Washington

Sultan, Washington

show all

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Gardener's Notes:

7
positives
3
neutrals
4
negatives
Sort By:
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D
Warren, MI (Zone 6b) | June 2014 | positive

This is one of my favorite flowering plants. Yes, it can spread around your bed but nowhere near the degree of Gooseneck Loosestrife and...Read More

A
Anchorage, AK (Zone 4b) | June 2013 | positive

I have a love/hate relationship with Fireweed. In NJ, I wanted to grow it so bad, but couldn't get it to grow for me. Now that I live i...Read More

A
Lubbock, TX (Zone 7b) | July 2012 | neutral

This plant was growing in a pot of purple coneflowers that I purchased at a nursery. It is flourishing in a bed on the north side of my ...Read More

B
Cedarhome, WA (Zone 8b) | July 2011 | positive

A native roadside plant in the PNW, often appearing in moist disturbed areas (old burns). The seed fluff can be used in weaving or for s...Read More

P
(Zone 4b) | September 2009 | neutral

A very common roadside plant in Finland.

A
Portugal Cove-St. Philip's, NL (Zone 5a) | September 2009 | negative

Cutting the flower head is not sufficient as it will produce side-shoots to bloom. Pulling the entire stem eliminates any problem for th...Read More

P
| September 2009 | negative

This plant grows wild and invasive on any cleared ground in SE England, and probably the rest of the UK..
It is hated by Fuchsia G...Read More

W
W
Mount Laurel, NJ (Zone 7a) | June 2009 | positive

Fireweed, leaves are edible. They are low in Sodium, and very low in Cholesterol and are a good source of Pantothenic Acid, Iron, Phospho...Read More

K
(Zone 8a) | July 2008 | positive

One of my favourite wild flowers, absolutely beautiful in drifts.

F
(Zone 8a) | July 2005 | negative

Invasive in Manchester, UK. You could keep it under control if you regularly pulled it, but frankly, it's quite an ugly plant for 99% of ...Read More

P
P
(Zone 9a) | August 2003 | negative

Plymouth, England. Definitely invasive in this part of the world and best to keep out of gardens.

X
X
Sebring, FL (Zone 9b) | August 2003 | positive

It self-sows in abundance in my garden, and also spreads by long rhizomes, and it could be considered invasive. However, I tend to leave...Read More

W
Seward, AK (Zone 3b) | August 2002 | positive

Fireweed appears from Northern Alaska, the Yukon, and down to California. In Southcentral Alaska, fireweed is a common site in sunnier ar...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2001 | neutral

This species of Epilobium is commonly known as Fireweed because it is one of the first plants arising from areas that have been burned or...Read More

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