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Epilobium septentrionale

Epilobium septentrionale

Last reviewed: August 2026

Epilobium septentrionale
Photo: Jennifer Wheeler, BLM Arcata, no known copyright restrictions (public domain)

Toxicity unknown

Epilobium septentrionale is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

6"–12" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

CA

Pollinators

hummingbirds

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A low, spreading perennial with soft gray-green foliage and brilliant orange-red tubular flowers that appear in late summer when few other rocky-slope plants are blooming. It spreads gradually by underground stems.

Wildlife value

The late-summer tubular flowers are an important nectar source for migrating hummingbirds.

Common questions

How much sun does Epilobium septentrionale need?
Epilobium septentrionale grows best in full sun conditions.
When does Epilobium septentrionale bloom?
Epilobium septentrionale blooms in July, August, and September.
Where is Epilobium septentrionale native?
Epilobium septentrionale is native to CA, per the World Checklist of Vascular Plants (Kew).
What pollinators does Epilobium septentrionale attract?
Epilobium septentrionale draws hummingbirds.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Epilobium septentrionale? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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