North America Native Plant

Pale Blue-eyed Grass

Botanical name: Sisyrinchium pallidum

USDA symbol: SIPA11

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Pale Blue-Eyed Grass: A Delicate Mountain Native Worth Protecting If you’re drawn to delicate wildflowers that whisper rather than shout, pale blue-eyed grass (Sisyrinchium pallidum) might just capture your heart. This charming little perennial brings subtle beauty to gardens while connecting you to the wild landscapes of the American Rockies. ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Pale Blue-Eyed Grass: A Delicate Mountain Native Worth Protecting

If you’re drawn to delicate wildflowers that whisper rather than shout, pale blue-eyed grass (Sisyrinchium pallidum) might just capture your heart. This charming little perennial brings subtle beauty to gardens while connecting you to the wild landscapes of the American Rockies.

What Makes Pale Blue-Eyed Grass Special?

Don’t let the name fool you – pale blue-eyed grass isn’t actually a grass at all! This perennial forb produces narrow, grass-like leaves that create neat little clumps, but it’s the small, star-shaped flowers that steal the show. The blooms range from pale blue to nearly white, each adorned with a bright yellow center that seems to glow against the soft petals.

As a native species to the lower 48 states, pale blue-eyed grass has evolved alongside local wildlife and naturally fits into regional ecosystems. However, this plant has a relatively limited range, growing naturally only in Colorado and Wyoming.

A Word of Caution: Rarity Matters

Before you rush to add this beauty to your garden, there’s something important to know. Pale blue-eyed grass has a Global Conservation Status of S3, meaning it’s considered vulnerable. With typically only 21 to 100 occurrences or between 3,000 and 10,000 individuals in the wild, this species faces challenges that make it susceptible to local extinction.

If you’re interested in growing pale blue-eyed grass, please only source plants or seeds from reputable native plant nurseries that practice responsible collection methods. Never collect from wild populations.

Garden Role and Design Ideas

When grown responsibly, pale blue-eyed grass makes a wonderful addition to:

  • Native plant gardens focused on Rocky Mountain species
  • Rock gardens where its delicate texture provides contrast
  • Xeriscaping projects that celebrate drought-tolerant natives
  • Naturalized areas that mimic mountain meadow conditions

Its modest 6-12 inch height and clumping growth habit make it perfect for front-of-border plantings or as groundcover in smaller spaces.

Growing Conditions and Care

Pale blue-eyed grass thrives in conditions that mirror its mountain home:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils are essential – this plant won’t tolerate soggy conditions
  • Water: Drought tolerant once established, though occasional deep watering during dry spells is appreciated
  • Hardiness: Suitable for USDA zones 4-7

The wetland status of Facultative Upland tells us this plant usually prefers non-wetland conditions, though it can occasionally tolerate some moisture. In practice, this means providing good drainage is crucial for success.

Planting and Maintenance Tips

Once you’ve sourced your plants responsibly, pale blue-eyed grass is refreshingly low-maintenance:

  • Plant in spring or early fall when temperatures are moderate
  • Space plants 8-12 inches apart to allow for natural spreading
  • Water regularly the first growing season to establish strong roots
  • After establishment, minimal supplemental watering is needed
  • Allow plants to self-seed for natural colony expansion
  • No fertilization necessary – these mountain natives prefer lean soils

Supporting Local Wildlife

While specific wildlife benefits for this species aren’t well-documented, Sisyrinchium species generally attract small native bees and other beneficial insects with their modest but numerous flowers. The seeds may also provide food for small birds and rodents.

The Bottom Line

Pale blue-eyed grass offers gardeners in suitable climates a chance to grow a truly special native plant. Its delicate beauty and low-maintenance nature make it an appealing choice, but its vulnerable conservation status means we must approach cultivation thoughtfully.

If you live in or near its native range of Colorado and Wyoming, and you can source plants responsibly, pale blue-eyed grass can be a meaningful addition to your native plant garden. Just remember – with great beauty comes great responsibility to protect and preserve these precious mountain gems for future generations.

Pale Blue-eyed Grass

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Iridaceae Juss. - Iris family

Genus

Sisyrinchium L. - blue-eyed grass

Species

Sisyrinchium pallidum Cholewa & Douglass M. Hend. - pale blue-eyed grass

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