North America Native Plant

Colorado Woodrush

Botanical name: Luzula subcapitata

USDA symbol: LUSU9

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Colorado Woodrush: A Rare Native Wetland Beauty for Specialized Gardens Meet Colorado woodrush (Luzula subcapitata), a charming native perennial that’s definitely not your average garden plant. This little-known member of the rush family brings something special to wetland gardens and naturalized landscapes, though you won’t find it at your typical ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Colorado Woodrush: A Rare Native Wetland Beauty for Specialized Gardens

Meet Colorado woodrush (Luzula subcapitata), a charming native perennial that’s definitely not your average garden plant. This little-known member of the rush family brings something special to wetland gardens and naturalized landscapes, though you won’t find it at your typical garden center.

What Makes Colorado Woodrush Special

Colorado woodrush is a grass-like perennial native to the western United States, specifically found in Colorado and Wyoming. As part of the rush family (Juncaceae), it has that distinctive grassy appearance that adds texture and movement to garden spaces. While it might not have the flashy flowers of a wildflower, it brings a subtle, naturalistic beauty that’s perfect for gardeners who appreciate understated elegance.

Where Colorado Woodrush Calls Home

This native beauty has a relatively small natural range, growing wild in Colorado and Wyoming. Its limited distribution makes it a true regional specialty plant that connects your garden directly to the local ecosystem.

A Wetland Specialist

Here’s where Colorado woodrush gets really interesting – it’s what botanists call an obligate wetland plant. This means it almost always grows in wet conditions in the wild, whether that’s in the Arid West, Great Plains, or Western Mountains regions. If you have a soggy spot in your yard that other plants struggle with, this could be your answer!

Should You Grow Colorado Woodrush?

Colorado woodrush could be perfect for your garden if you:

  • Have consistently moist or wet areas that need native plants
  • Are creating a naturalized wetland garden or rain garden
  • Want to support local ecosystems with truly regional native plants
  • Appreciate the subtle beauty of grass-like textures in the landscape
  • Are working on habitat restoration projects in Colorado or Wyoming

However, there’s an important caveat: Colorado woodrush has a conservation status that suggests it may be uncommon in the wild. This means if you do decide to grow it, you’ll want to source it responsibly from reputable native plant nurseries or seed suppliers who can verify their plants aren’t collected from wild populations.

Growing Colorado Woodrush Successfully

Given its wetland status, Colorado woodrush thrives in conditions that would drown many other plants. Here’s what this moisture-loving native needs:

  • Moisture: Consistently moist to wet soil is essential – think bog garden or rain garden conditions
  • Soil: Adaptable to various soil types as long as moisture levels remain high
  • Location: Best suited for naturalized areas rather than formal garden beds
  • Maintenance: Likely low-maintenance once established in appropriate conditions

The Bottom Line

Colorado woodrush isn’t for everyone, but for the right gardener with the right conditions, it’s a wonderful way to incorporate a truly local native plant into your landscape. Its specialized wetland requirements and limited natural range make it perfect for serious native plant enthusiasts who want to support regional biodiversity.

Just remember to source it responsibly and give it the wet conditions it craves. Your local ecosystem – and any wildlife that depends on native wetland plants – will thank you for it!

Colorado 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 subcapitata (Rydb.) Harrington - Colorado woodrush

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