North America Native Plant

Golden Blue-eyed Grass

Botanical name: Sisyrinchium californicum

USDA symbol: SICA8

Life cycle: perennial

Habit: forb

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

Synonyms: Hydastylus borealis E.P. Bicknell (HYBO4)  âš˜  Hydastylus brachypus E.P. Bicknell (HYBR8)  âš˜  Hydastylus californicus (Ker Gawl.) Salisb. (HYCA15)  âš˜  Sisyrinchium boreale (E.P. Bicknell) Henry (SIBO)   

Golden Blue-Eyed Grass: A Charming Native for Wet Gardens Don’t let the name fool you – golden blue-eyed grass (Sisyrinchium californicum) doesn’t have blue eyes, and it’s not actually a grass! This delightful native perennial is a member of the iris family that brings sunny yellow blooms and grass-like texture ...

Golden Blue-Eyed Grass: A Charming Native for Wet Gardens

Don’t let the name fool you – golden blue-eyed grass (Sisyrinchium californicum) doesn’t have blue eyes, and it’s not actually a grass! This delightful native perennial is a member of the iris family that brings sunny yellow blooms and grass-like texture to gardens throughout the Pacific Coast. If you’re looking for a low-maintenance native plant that thrives in those tricky wet spots in your garden, this little charmer might be exactly what you need.

What Makes Golden Blue-Eyed Grass Special?

Golden blue-eyed grass is a true West Coast native, naturally found from British Columbia down through Washington, Oregon, and California. As a perennial forb, it returns year after year without the woody stems of shrubs or trees, instead forming neat clumps of slender, iris-like foliage that stays relatively compact.

This plant calls the Pacific Coast home, thriving in the diverse landscapes from coastal areas to inland valleys throughout California, Oregon, Washington, and southern British Columbia.

What really sets this plant apart is its adaptability to wet conditions. Unlike many garden plants that sulk in soggy soil, golden blue-eyed grass actually prefers it! It’s classified as a facultative wetland plant, meaning it’s perfectly happy in wet areas but can also tolerate drier conditions once established.

Garden Appeal and Landscape Uses

Despite its modest size, golden blue-eyed grass packs a punch in the garden. In late spring and early summer, it produces clusters of small, star-shaped golden-yellow flowers that seem to glow in the sunlight. The blooms may be small individually, but they appear in such abundance that they create a cheerful carpet of color.

The grass-like foliage provides excellent texture contrast in mixed plantings and works beautifully as:

  • Ground cover in naturalized areas
  • Border plants along pathways or garden edges
  • Accent plants in bog or rain gardens
  • Components of native plant meadows
  • Understory plantings beneath larger native shrubs

Supporting Local Wildlife

As a native plant, golden blue-eyed grass is perfectly adapted to support local ecosystems. Its flowers attract small native bees and other beneficial insects, while the seeds provide food for birds. The plant’s ability to thrive in wetland conditions makes it particularly valuable for creating habitat in rain gardens and bioswales.

Growing Conditions and Care

One of the best things about golden blue-eyed grass is how easy it is to grow – as long as you understand its preferences. This plant is hardy in USDA zones 7-10 and thrives in conditions that would challenge many other garden plants.

Ideal growing conditions include:

  • Moist to wet soil that retains moisture well
  • Full sun to partial shade (though more sun typically means more flowers)
  • Clay or sandy soils with good water retention
  • Areas that experience seasonal flooding or consistent moisture

The plant is remarkably low-maintenance once established. It naturally goes dormant in winter, which helps it survive colder temperatures and prepares it for vigorous spring growth.

Planting and Propagation

Golden blue-eyed grass is refreshingly easy to establish in the garden. It grows readily from seed and often self-sows, gradually naturalizing in suitable conditions. For gardeners who prefer instant gratification, small plants are sometimes available from native plant nurseries.

When planting, choose a location that stays consistently moist – those problem areas where water tends to collect are often perfect spots. Space plants about 12-18 inches apart to allow for natural spreading.

Is Golden Blue-Eyed Grass Right for Your Garden?

This native beauty is an excellent choice if you:

  • Have wet or poorly drained areas in your garden
  • Want to support local wildlife and pollinators
  • Prefer low-maintenance native plants
  • Live in USDA zones 7-10
  • Appreciate subtle, naturalistic beauty over flashy blooms

However, it might not be the best fit if you have very dry conditions or prefer plants with large, showy flowers. Remember, this is a plant that truly shines when grown in its preferred moist conditions.

Golden blue-eyed grass proves that native plants can be both beautiful and practical. By choosing this charming West Coast native, you’re not only solving potential drainage issues in your garden – you’re also creating habitat for local wildlife and celebrating the unique character of Pacific Coast flora. Sometimes the most rewarding garden additions are the ones that work with nature rather than against it.

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

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Golden 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 californicum (Ker Gawl.) Aiton - golden 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