North America Native Plant

Western Blue Virginsbower

Botanical name: Clematis occidentalis var. dissecta

USDA symbol: CLOCD

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Clematis columbiana (Nutt.) Torr. & A. Gray var. dissecta C.L. Hitchc. (CLCOD2)   

Western Blue Virginsbower: A Rare Pacific Northwest Climbing Beauty If you’re a gardener who loves discovering unique native plants, you might be intrigued by western blue virginsbower (Clematis occidentalis var. dissecta). This perennial climbing vine represents one of nature’s more elusive treasures, native to the lower 48 states but with ...

Western Blue Virginsbower: A Rare Pacific Northwest Climbing Beauty

If you’re a gardener who loves discovering unique native plants, you might be intrigued by western blue virginsbower (Clematis occidentalis var. dissecta). This perennial climbing vine represents one of nature’s more elusive treasures, native to the lower 48 states but with a surprisingly limited range that makes it quite special indeed.

Where Does Western Blue Virginsbower Call Home?

This particular variety of Clematis occidentalis has a very specific geographic footprint, naturally occurring in Washington state. Its limited distribution makes it a true Pacific Northwest specialty that few gardeners have encountered in the wild or in cultivation.

What Makes This Clematis Special?

Western blue virginsbower is a twining, climbing plant that can develop both woody and herbaceous stems over time. As a perennial, it returns year after year, though it may take some time to establish itself in your garden. The plant’s climbing nature means it’s always reaching upward, looking for something to wrap its tendrils around.

You might also encounter this plant listed under its botanical synonym, Clematis columbiana var. dissecta, which can be helpful when searching for seeds or plants from specialty nurseries.

The Challenge of Growing Western Blue Virginsbower

Here’s where things get a bit tricky for eager gardeners. Information about this specific variety’s growing requirements, mature size, and garden performance is quite limited. This scarcity of cultivation details suggests that western blue virginsbower isn’t commonly grown, even among native plant enthusiasts.

What we do know is that as a climbing perennial, it will likely need:

  • Some form of support structure for its twining stems
  • Patience, as most clematis varieties take time to establish
  • Growing conditions similar to its Pacific Northwest habitat

Should You Plant Western Blue Virginsbower?

This is where gardeners need to make a thoughtful decision. While western blue virginsbower is undoubtedly a fascinating native plant, its extremely limited natural range and the scarcity of cultivation information present some challenges:

  • Finding plants or seeds may be difficult
  • Growing requirements are not well-documented
  • Success in gardens outside Washington state is uncertain

If you live in Washington state and are passionate about preserving local native plant varieties, this could be an exciting addition to your garden. However, make sure any plants you acquire are from reputable sources that don’t collect from wild populations.

Alternative Native Clematis Options

If western blue virginsbower proves too elusive, consider these better-documented native clematis alternatives:

  • Virgin’s bower (Clematis ligusticifolia) for western gardeners
  • Wild clematis (Clematis virginiana) for eastern and central regions
  • Rock clematis (Clematis columbiana) for mountain and foothill areas

The Bottom Line

Western blue virginsbower represents one of those intriguing native plants that captures our imagination precisely because it’s so uncommon. While it may not be the easiest choice for most gardeners, its rarity and regional significance make it a worthy conservation target. If you do decide to seek out this special climbing vine, approach it as an adventure in native plant preservation rather than just another garden addition.

Remember, sometimes the most rewarding plants are those that challenge us to learn something new and contribute to preserving our local botanical heritage.

Western Blue Virginsbower

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 occidentalis (Hornem.) DC. - western blue virginsbower

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