North America Native Plant

Pacific Woodrush

Botanical name: Luzula comosa

USDA symbol: LUCO6

Life cycle: perennial

Habit: grass

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

Synonyms: Luzula campestris (L.) DC. var. macrantha (S. Watson) Fernald & Wiegand (LUCAM4)  âš˜  Luzula comosa E. Mey. var. laxa Buchenau (LUCOL)  âš˜  Luzula comosa E. Mey. var. macrantha S. Watson (LUCOM)  âš˜  Luzula comosa E. Mey. var. subsessilis S. Watson (LUCOS3)  âš˜  Luzula multiflora (Ehrh.) Lej. ssp. comosa (E. Mey.) Hultén (LUMUC2)  âš˜  Luzula multiflora (Ehrh.) Lej. var. comosa (E. Mey.) Fernald & Wiegand (LUMUC5)  âš˜  Luzula subsessilis (S. Watson) Buchenau (LUSU8)   

Pacific Woodrush: A Delightful Native Grass for Woodland Gardens If you’re looking to add some understated elegance to your native garden, Pacific woodrush might just be the perfect grass-like perennial you’ve been searching for. This charming little plant brings a soft, naturalistic touch to landscapes while supporting local ecosystems with ...

Pacific Woodrush: A Delightful Native Grass for Woodland Gardens

If you’re looking to add some understated elegance to your native garden, Pacific woodrush might just be the perfect grass-like perennial you’ve been searching for. This charming little plant brings a soft, naturalistic touch to landscapes while supporting local ecosystems with its native roots.

What is Pacific Woodrush?

Pacific woodrush (Luzula comosa) is a native perennial that belongs to the rush family, though it looks more like a delicate grass than what most people think of as a rush. Don’t let its modest appearance fool you – this hardy little plant is a wonderful addition to gardens that celebrate native flora.

As a true native species, Pacific woodrush calls Alaska, Canada, and the lower 48 states home. You’ll find this adaptable plant growing naturally across western North America, thriving in diverse conditions from coastal areas to mountain slopes.

Where Does Pacific Woodrush Grow?

This versatile native has quite an impressive range! Pacific woodrush grows naturally in Alberta, British Columbia, Alaska, California, Colorado, Idaho, Montana, New Mexico, Oregon, and Washington. Its wide distribution speaks to its adaptability and hardiness.

Garden Appeal and Design Uses

Pacific woodrush forms attractive clumps of narrow, grass-like foliage topped with delicate clusters of small flowers. While it may not be the showiest plant in your garden, its subtle beauty and fine texture make it an excellent supporting player in naturalistic plantings.

This perennial works wonderfully as:

  • Groundcover in woodland gardens
  • Filler plant in native plant gardens
  • Naturalized areas where you want a soft, meadow-like feel
  • Transition zones between cultivated and wild spaces

Growing Conditions and Care

One of Pacific woodrush’s best qualities is its easy-going nature. This native perennial is quite adaptable when it comes to growing conditions, though it does have some preferences.

Moisture needs: Pacific woodrush has a facultative wetland status, meaning it’s happy in both moist and moderately dry conditions. This flexibility makes it great for gardeners dealing with variable moisture levels.

Light requirements: This adaptable plant tolerates everything from partial shade to full sun, though it often performs best with some protection from intense afternoon heat.

Hardiness: Pacific woodrush thrives in USDA zones 3-8, making it suitable for most temperate gardens.

Planting and Maintenance Tips

Getting Pacific woodrush established in your garden is refreshingly straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Choose a location with organic-rich, well-draining soil
  • Space plants about 12-18 inches apart for groundcover effect
  • Water regularly the first season to help establishment
  • Once established, this low-maintenance native needs minimal care
  • Divide clumps every 3-4 years in spring if desired

Wildlife and Ecosystem Benefits

While Pacific woodrush may not be a major pollinator magnet (it’s wind-pollinated like most grasses and rushes), it still provides valuable ecosystem services. The dense clumps offer shelter for small wildlife, and the seeds may provide food for birds. Plus, as a native species, it supports the complex web of insects and other creatures that have evolved alongside it.

Is Pacific Woodrush Right for Your Garden?

Pacific woodrush is an excellent choice if you’re creating a native plant garden, woodland garden, or naturalized landscape. It’s particularly valuable for gardeners who want to support local ecosystems while enjoying low-maintenance plants.

Consider adding Pacific woodrush to your garden if you:

  • Love native plants and want to support local ecosystems
  • Need a reliable groundcover for partially shaded areas
  • Appreciate subtle, naturalistic beauty over flashy flowers
  • Want low-maintenance perennials that come back year after year
  • Are creating habitat-friendly landscapes

While Pacific woodrush might not be the star of your garden show, it’s definitely the kind of reliable supporting cast member that makes everything else look better. Give this charming native a try – you might be surprised by how much you enjoy its quiet presence in your landscape!

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

FAC

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

Great Plains

FAC

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

Western Mountains, Valleys, and Coast

FAC

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

Pacific Woodrush

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Juncales

Family

Juncaceae Juss. - Rush family

Genus

Luzula DC. - woodrush

Species

Luzula comosa E. Mey. - Pacific woodrush

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