North America Native Plant

Western White Clematis

Botanical name: Clematis ligusticifolia

USDA symbol: CLLI2

Life cycle: perennial

Habit: vine

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

Western White Clematis: A Native Climbing Beauty for Your Garden If you’re looking for a hardy, native climber that brings both beauty and ecological value to your landscape, western white clematis (Clematis ligusticifolia) might just be your new best friend. This vigorous perennial vine, also known by the charming names ...

Western White Clematis: A Native Climbing Beauty for Your Garden

If you’re looking for a hardy, native climber that brings both beauty and ecological value to your landscape, western white clematis (Clematis ligusticifolia) might just be your new best friend. This vigorous perennial vine, also known by the charming names hierba de chivo, old-man’s-beard, and virgin’s-bower, is a true North American native that deserves serious consideration for your garden.

Where Western White Clematis Calls Home

This remarkable clematis is native to both Canada and the lower 48 states, with an impressive range that spans from Alberta, British Columbia, and Manitoba in the north, all the way through the western United States including Arizona, California, Colorado, Idaho, Kansas, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Utah, Washington, and Wyoming. It even makes an appearance in Pennsylvania!

What Makes This Clematis Special

Western white clematis is a twining, climbing plant that can reach heights of about 1 foot when supported, though it can spread much wider given the right conditions. Don’t let that modest height fool you – this is a vigorous grower with a moderate growth rate that will happily cover fences, trellises, and other structures with its lush green foliage.

The real show begins in mid-summer when the plant bursts into bloom with masses of small, white flowers that are both conspicuous and fragrant. These blooms are followed by equally attractive white seed heads that persist well into fall and winter, giving you year-round garden interest.

Perfect Gardens for Western White Clematis

This adaptable native shines in several garden settings:

  • Native plant gardens where you want authentic regional flora
  • Wildlife gardens that support local pollinators and birds
  • Cottage gardens needing a romantic climbing element
  • Xeriscapes and drought-tolerant landscapes
  • Naturalized areas where you want low-maintenance coverage

Growing Conditions That Make It Happy

One of the best things about western white clematis is its adaptability. This tough native can handle:

  • USDA hardiness zones 3-8 (tolerating temperatures as low as -38°F)
  • Various soil types – coarse, medium, or fine-textured
  • pH levels ranging from 5.6 to 8.4
  • Moderate drought conditions once established
  • Full sun to partial shade (intermediate shade tolerance)
  • Annual precipitation between 12-20 inches

Wetland Flexibility

Western white clematis shows remarkable adaptability to different moisture conditions across regions. In the Arid West, it’s equally comfortable in wet or dry spots, while in eastern regions it tends to prefer slightly wetter conditions. In the Great Plains and Midwest, it usually favors drier sites but can adapt to moister areas when needed.

Planting and Care Tips

Getting your western white clematis established is refreshingly straightforward:

  • Plant in spring after the last frost
  • Provide a support structure for climbing
  • Water regularly the first year to establish deep roots (minimum 16 inches)
  • Mulch around the base to retain moisture and suppress weeds
  • Prune in late winter or early spring before new growth begins
  • Fertilize lightly – this plant has medium fertility requirements

Propagation Options

Western white clematis is routinely available commercially and can be propagated through several methods including seeds, cuttings, bare root, or container plants. Seeds are quite small (314,000 per pound!) and germinate with medium vigor.

Wildlife and Pollinator Benefits

While specific wildlife benefits weren’t detailed in available data, native clematis species typically support local ecosystems by providing nectar for pollinators during their blooming period and shelter for small wildlife. The persistent seed heads also offer winter interest and potential food sources for birds.

The Bottom Line

Western white clematis offers gardeners a winning combination of native authenticity, low maintenance requirements, and multi-season appeal. Its adaptability to various growing conditions, drought tolerance, and climbing habit make it an excellent choice for gardeners looking to support local ecosystems while adding vertical interest to their landscapes. Plus, with its long lifespan and ability to resprout, this is truly a plant investment that will pay dividends for years to come.

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

Arid West

FAC

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

Atlantic and Gulf Coastal Plain

FACW

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

Eastern Mountains and Piedmont

FACW

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

Great Plains

FACU

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

Midwest

FACU

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

Western Mountains, Valleys, and Coast

FAC

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

Western White Clematis

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Clematis L. - leather flower

Species

Clematis ligusticifolia Nutt. - western white clematis

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