North America Native Plant

Talus Willowherb

Botanical name: Epilobium clavatum

USDA symbol: EPCL

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Epilobium alpinum L. var. albiflorum (Suksd.) C.L. Hitchc. (EPALA2)  âš˜  Epilobium alpinum L. var. clavatum (Trel.) C.L. Hitchc. (EPALC2)  âš˜  Epilobium clavatum Trel. var. glareosum (G.N. Jones) Munz (EPCLG)  âš˜  Epilobium glareosum G.N. Jones (EPGL5)   

Talus Willowherb: A Hardy Native Gem for Alpine Gardens If you’re looking to add some mountain magic to your garden, talus willowherb (Epilobium clavatum) might just be the perfect choice. This charming native perennial brings the rugged beauty of high-altitude landscapes right to your backyard, and it’s surprisingly easy to ...

Talus Willowherb: A Hardy Native Gem for Alpine Gardens

If you’re looking to add some mountain magic to your garden, talus willowherb (Epilobium clavatum) might just be the perfect choice. This charming native perennial brings the rugged beauty of high-altitude landscapes right to your backyard, and it’s surprisingly easy to grow once you know its secrets.

What Makes Talus Willowherb Special?

Talus willowherb is a delightful little forb—that’s garden-speak for a non-woody perennial plant—that naturally calls the rocky slopes and mountain meadows of western North America home. Don’t let its delicate appearance fool you; this plant is tough as nails and perfectly adapted to challenging growing conditions.

The plant produces lovely small flowers that range from soft pink to pristine white, typically featuring four petals that create a simple yet elegant display throughout the summer months. Its narrow leaves and compact growth habit give it an understated charm that works beautifully in naturalized settings.

Where Does It Come From?

This native beauty has quite an impressive range! Talus willowherb is indigenous to Alaska, Canada, and the western United States. You’ll find it naturally growing across Alberta, British Columbia, Alaska, California, Colorado, Yukon, Northwest Territories, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. Talk about a well-traveled plant!

Why Should You Consider Growing Talus Willowherb?

There are plenty of compelling reasons to welcome this native into your garden:

  • Native plant benefits: Supporting local ecosystems and wildlife
  • Low maintenance: Once established, it’s remarkably self-sufficient
  • Pollinator magnet: Attracts bees, butterflies, and other beneficial insects
  • Drought tolerant: Perfect for water-wise gardening
  • Cold hardy: Thrives in USDA zones 3-7
  • Unique aesthetic: Brings an authentic mountain garden feel

Perfect Garden Settings

Talus willowherb shines brightest in:

  • Rock gardens and alpine displays
  • Native plant gardens
  • Naturalized mountain-style landscapes
  • Xeriscaping projects
  • Pollinator gardens
  • Slopes and areas with challenging soil conditions

Growing Conditions: Keep It Simple

The beauty of talus willowherb lies in its adaptability, especially if you can mimic its natural mountain habitat:

  • Sunlight: Full sun to partial shade
  • Soil: Well-drained soils; thrives in rocky or gravelly conditions
  • Water: Moderate moisture, but drought tolerant once established
  • Climate: Prefers cooler temperatures; excellent for northern and high-altitude gardens
  • Hardiness: Hardy in USDA zones 3-7

Here’s something interesting: depending on your region, talus willowherb shows different moisture preferences. In Alaska, it’s equally happy in wetlands and dry areas, while in western regions, it typically prefers drier upland sites but can tolerate some moisture.

Planting and Care Tips

Getting started with talus willowherb is refreshingly straightforward:

  • Plant timing: Spring or fall planting works best
  • Soil prep: Ensure excellent drainage—this plant hates soggy feet
  • Spacing: Give plants room to spread naturally
  • Watering: Water regularly during establishment, then reduce as the plant matures
  • Maintenance: Minimal pruning needed; deadhead if desired to prevent excessive self-seeding
  • Winter care: Extremely hardy; no special winter protection needed in its hardiness zones

Wildlife and Ecosystem Benefits

By choosing talus willowherb, you’re not just adding beauty to your garden—you’re creating habitat! This native plant supports local pollinators with its summer blooms, providing nectar for bees, butterflies, and other beneficial insects. It’s also part of the natural food web that supports birds and small wildlife.

Is Talus Willowherb Right for Your Garden?

This plant is ideal if you’re looking for a low-maintenance native that can handle tough conditions while providing subtle beauty and ecological benefits. It’s particularly perfect for gardeners in cooler climates who want to create authentic mountain-style landscapes or support local wildlife.

However, it might not be the best choice if you prefer high-maintenance, showy ornamentals or live in very hot, humid climates where it may struggle.

With its combination of hardiness, native status, and understated charm, talus willowherb offers a wonderful way to bring a piece of the wild mountain landscape into your own garden sanctuary.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Arid West

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Great Plains

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Western Mountains, Valleys, and Coast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Talus Willowherb

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Epilobium L. - willowherb

Species

Epilobium clavatum Trel. - talus willowherb

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA