North America Native Plant

Alaska Blue-eyed Grass

Botanical name: Sisyrinchium littorale

USDA symbol: SILI4

Life cycle: perennial

Habit: forb

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

Alaska Blue-Eyed Grass: A Charming Native for Wet Gardens If you’re looking for a delicate native plant that brings subtle beauty to moist areas of your garden, Alaska blue-eyed grass might just be your new favorite discovery. Don’t let the name fool you – this isn’t actually a grass at ...

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

If you’re looking for a delicate native plant that brings subtle beauty to moist areas of your garden, Alaska blue-eyed grass might just be your new favorite discovery. Don’t let the name fool you – this isn’t actually a grass at all! This charming little perennial belongs to the iris family and offers something special for gardeners who appreciate understated elegance.

What Makes Alaska Blue-Eyed Grass Special?

Sisyrinchium littorale, commonly known as Alaska blue-eyed grass, is a petite perennial forb that produces the most adorable small blue flowers with bright yellow centers. Standing just 6-12 inches tall, this plant forms clumps of narrow, grass-like leaves that create a soft, textural backdrop for its star-shaped blooms. The flowers typically appear in late spring to early summer, creating little pops of color that seem to wink at you from the garden.

Where Does It Come From?

This lovely native plant calls the coastal regions of the Pacific Northwest home, naturally occurring in Alaska, British Columbia, and Washington state. As a true North American native, it has evolved alongside local wildlife and ecosystems, making it an excellent choice for gardeners interested in supporting native biodiversity.

Why Your Garden (and Local Wildlife) Will Love It

Alaska blue-eyed grass isn’t just pretty to look at – it’s a hardworking member of the garden community. Here’s why it deserves a spot in your landscape:

  • Attracts native pollinators, especially small bees who love the accessible flower structure
  • Thrives in those tricky wet spots where other plants struggle
  • Requires minimal maintenance once established
  • Provides natural, soft-textured ground cover
  • Self-seeds gently to naturalize areas without becoming aggressive

Perfect Garden Situations

This adaptable little plant shines in several garden settings. Consider Alaska blue-eyed grass for:

  • Rain gardens and bioswales
  • Bog or water gardens
  • Native plant meadows
  • Coastal gardens that experience salt spray
  • Naturalized areas around ponds or streams

Growing Conditions That Make It Happy

Alaska blue-eyed grass is refreshingly straightforward to grow, especially if you can provide its preferred conditions:

  • Moisture: Loves consistently moist to wet soil – perfect for those soggy spots!
  • Light: Full sun to partial shade, though it flowers best with good light
  • Soil: Adapts to various soil types but prefers slightly acidic conditions
  • Climate: Hardy in USDA zones 3-7, making it quite cold-tolerant

Planting and Care Tips

The beauty of Alaska blue-eyed grass lies partly in how low-maintenance it can be. Here are some tips for success:

  • Plant in spring or fall when temperatures are moderate
  • Space plants about 6-8 inches apart for natural-looking drifts
  • Water regularly during the first growing season to establish roots
  • Once established, it typically needs little supplemental watering
  • Deadhead spent flowers if you want to prevent self-seeding, or leave them for natural spread
  • Divide clumps every 3-4 years in early spring if desired

A Few Things to Keep in Mind

While Alaska blue-eyed grass is generally well-behaved, there are a couple of considerations:

  • It may go dormant in very dry conditions, so consistent moisture keeps it looking its best
  • The flowers are small and subtle – this isn’t a plant for bold, dramatic displays
  • It can self-seed, which is great for naturalizing but might not suit formal garden designs

The Bottom Line

Alaska blue-eyed grass is a delightful choice for gardeners who want to support native ecosystems while adding gentle beauty to wet areas of their landscape. Its combination of easy care, pollinator appeal, and natural charm makes it particularly valuable for rain gardens, native plant enthusiasts, and anyone dealing with consistently moist soil conditions. While it may not be the showiest plant in your garden, it offers the kind of quiet, reliable beauty that becomes more appreciated over time.

If you’re ready to embrace the subtle magic of native plants and have a spot that stays on the moist side, Alaska blue-eyed grass could be the perfect addition to your growing collection of regionally appropriate plants.

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

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

Alaska 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 littorale Greene - Alaska 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