North America Native Plant

Arizona Blue-eyed Grass

Botanical name: Sisyrinchium arizonicum

USDA symbol: SIAR3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Oreolirion arizonicum (Rothr.) E.P. Bicknell (ORAR2)   

Arizona Blue-Eyed Grass: A Delicate Desert Native Worth Growing If you’re looking for a charming native plant that brings subtle beauty to your southwestern garden without demanding much attention, Arizona blue-eyed grass might just be your new favorite discovery. Despite its name, this lovely perennial isn’t actually a grass at ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Arizona Blue-Eyed Grass: A Delicate Desert Native Worth Growing

If you’re looking for a charming native plant that brings subtle beauty to your southwestern garden without demanding much attention, Arizona blue-eyed grass might just be your new favorite discovery. Despite its name, this lovely perennial isn’t actually a grass at all – it’s a member of the iris family that just happens to sport slender, grass-like leaves.

What Makes Arizona Blue-Eyed Grass Special?

Scientifically known as Sisyrinchium arizonicum, this delicate native forb produces small but stunning blue flowers with bright yellow centers that seem to wink at you from the garden. The plant typically reaches 6 to 18 inches in height, creating a low carpet of narrow, blade-like foliage topped with these cheerful blooms during its flowering season.

As a true southwestern native, Arizona blue-eyed grass naturally occurs in Arizona and New Mexico, where it has adapted perfectly to the region’s challenging growing conditions.

Why Plant Arizona Blue-Eyed Grass in Your Garden?

There are several compelling reasons to consider adding this native beauty to your landscape:

  • Water-wise choice: Once established, it’s remarkably drought tolerant
  • Pollinator magnet: The flowers attract native bees and butterflies
  • Low maintenance: This perennial practically takes care of itself
  • Native plant benefits: Supports local ecosystems and wildlife
  • Unique texture: Adds fine, grassy texture to contrast with broader-leafed plants

A Word About Conservation

Arizona blue-eyed grass carries a conservation status that suggests it may be somewhat uncommon in parts of its range. If you’re interested in growing this plant, make sure to source it responsibly from reputable native plant nurseries or seed suppliers who collect ethically. Never collect plants or seeds from wild populations.

Perfect Garden Settings

This versatile native shines in several garden styles:

  • Rock gardens: Its delicate form complements larger stones beautifully
  • Desert landscapes: Perfect for xeriscaping and water-wise gardens
  • Native plant gardens: An authentic choice for regional native plantings
  • Ground cover: Creates subtle texture in naturalized areas

Growing Conditions and Care

Arizona blue-eyed grass thrives in USDA hardiness zones 7 through 10, making it suitable for much of the southwestern United States and similar climates.

Sunlight: Prefers full sun but tolerates partial shade

Soil: Well-draining soil is essential – this plant won’t tolerate soggy conditions

Water: Drought tolerant once established, but appreciates occasional deep watering during extreme dry spells

Maintenance: Minimal care required once established

Planting and Establishment Tips

Getting Arizona blue-eyed grass established in your garden is relatively straightforward:

  • Plant in fall or early spring for best establishment
  • Ensure excellent drainage – amend heavy soils with sand or gravel if needed
  • Space plants about 6-12 inches apart
  • Water regularly during the first growing season to help establish roots
  • Once established, reduce watering frequency

The Bottom Line

Arizona blue-eyed grass offers southwestern gardeners a wonderful opportunity to grow a true regional native that’s both beautiful and beneficial. Its delicate flowers, grass-like foliage, and easy-care nature make it an excellent choice for water-wise gardens and native plant enthusiasts. Just remember to source your plants or seeds responsibly to help protect wild populations of this charming desert native.

Whether you’re creating a rock garden, establishing a native plant landscape, or simply want to add some authentic southwestern character to your outdoor space, Arizona blue-eyed grass deserves a spot on your planting list.

Arizona 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 arizonicum Rothr. - Arizona 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