North America Native Plant

Okanoga Bedstraw

Botanical name: Galium serpenticum okanoganense

USDA symbol: GASEO

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Okanoga Bedstraw: A Rare Pacific Northwest Native Worth Knowing If you’re passionate about native gardening in the Pacific Northwest, you might have stumbled across the name Okanoga bedstraw (Galium serpenticum okanoganense) in your plant research. This intriguing native perennial belongs to the bedstraw family and represents one of those special ...

Okanoga Bedstraw: A Rare Pacific Northwest Native Worth Knowing

If you’re passionate about native gardening in the Pacific Northwest, you might have stumbled across the name Okanoga bedstraw (Galium serpenticum okanoganense) in your plant research. This intriguing native perennial belongs to the bedstraw family and represents one of those special plants that truly embodies the unique character of Washington’s diverse ecosystems.

What Makes Okanoga Bedstraw Special?

Okanoga bedstraw is a perennial forb—essentially a non-woody flowering plant that comes back year after year. Unlike shrubs or trees, this native gem lacks significant woody tissue and keeps its growing points at or below ground level, making it well-adapted to survive harsh winters and return each spring with renewed vigor.

As a true Washington native, this bedstraw species has evolved specifically to thrive in the unique conditions found within the state’s borders. When you plant native species like Okanoga bedstraw, you’re not just adding a plant to your garden—you’re helping to preserve and restore the natural heritage of your region.

Where Does It Grow?

Okanoga bedstraw is found exclusively in Washington state, making it a true regional treasure. Its limited distribution means that if you’re gardening in Washington, you have the special opportunity to grow a plant that exists nowhere else in its natural form.

Should You Plant Okanoga Bedstraw?

Here’s where things get interesting—and a bit challenging. While Okanoga bedstraw represents an exciting native option for Washington gardeners, detailed information about its specific growing requirements, appearance, and garden performance is quite limited. This rarity in cultivation information suggests a few possibilities:

  • It may be an extremely specialized plant with very specific habitat requirements
  • It could be quite rare in the wild, making conservation efforts important
  • It might simply be understudied compared to more common native species

The Native Gardener’s Dilemma

As passionate as we are about native plants, we have to be honest: Okanoga bedstraw might not be the easiest starting point for your native garden journey. Without clear information about its growing conditions, maintenance needs, or garden performance, it presents both an opportunity and a challenge.

If you’re determined to include this species in your landscape, we’d recommend:

  • Contacting local native plant societies or botanical gardens for guidance
  • Ensuring any plant material is ethically and legally sourced
  • Starting with other well-documented Washington native bedstraws to gain experience with the genus

Alternative Native Bedstraws for Washington Gardens

While you’re researching Okanoga bedstraw, consider these better-documented native alternatives that can provide similar ecological benefits:

  • Northern bedstraw (Galium boreale) – offers delicate white flowers and attracts beneficial insects
  • Sweet-scented bedstraw (Galium triflorum) – features fragrant foliage and adapts well to shade
  • Small bedstraw (Galium trifidum) – perfect for wet areas and native plant rain gardens

The Bottom Line

Okanoga bedstraw represents the exciting frontier of native plant gardening—those species that remind us how much we still have to learn about our local flora. While we can’t provide specific growing guides for this particular plant, its existence highlights the incredible diversity of Washington’s native plant communities.

If you do decide to pursue growing Okanoga bedstraw, approach it as a research adventure. Connect with local experts, document your experiences, and consider sharing your findings with the broader native plant community. Who knows? You might help fill in some of those knowledge gaps for future gardeners!

For now, though, you’ll probably have better success starting your native bedstraw collection with some of the more readily available species. Once you’ve mastered those, you’ll be better prepared to tackle the mysteries that plants like Okanoga bedstraw present.

Okanoga Bedstraw

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Galium L. - bedstraw

Species

Galium serpenticum Dempster - Intermountain bedstraw

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