North America Native Plant

Nash’s Blue-eyed Grass

Botanical name: Sisyrinchium nashii

USDA symbol: SINA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Sisyrinchium carolinianum E.P. Bicknell (SICA18)  âš˜  Sisyrinchium fibrosum E.P. Bicknell (SIFI6)  âš˜  Sisyrinchium floridanum E.P. Bicknell (SIFL4)   

Nash’s Blue-Eyed Grass: A Delightful Native Groundcover for Southern Gardens If you’re looking for a charming native plant that brings a touch of wild beauty to your garden without demanding much attention, Nash’s blue-eyed grass (Sisyrinchium nashii) might just be your new favorite discovery. Don’t let the name fool you ...

Nash’s Blue-Eyed Grass: A Delightful Native Groundcover for Southern Gardens

If you’re looking for a charming native plant that brings a touch of wild beauty to your garden without demanding much attention, Nash’s blue-eyed grass (Sisyrinchium nashii) might just be your new favorite discovery. Don’t let the name fool you – this isn’t actually a grass at all, but a delightful little perennial that produces the sweetest blue flowers you ever did see.

What Makes Nash’s Blue-Eyed Grass Special?

This native gem is a true son (or daughter) of the South, calling the southeastern United States home. You’ll find it naturally growing across Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and Virginia. As a forb – which is just a fancy way of saying it’s an herbaceous plant without woody stems – it stays low and manageable while packing plenty of visual punch.

The plant gets its common name from its distinctive small blue flowers that feature bright yellow centers, resembling tiny eyes peering up from grass-like foliage. These cheerful blooms appear throughout the growing season, creating a constellation of blue stars scattered across your garden beds.

Why Your Garden (and Local Wildlife) Will Love It

Nash’s blue-eyed grass is what we like to call a good neighbor plant. It plays well with others, attracts beneficial pollinators like small bees and butterflies, and won’t try to take over your entire garden. Since it’s a native species, it’s perfectly adapted to local growing conditions and provides valuable habitat for regional wildlife.

The plant’s facultative wetland status means it’s incredibly versatile – it can handle both moist and drier conditions, making it perfect for those tricky spots in your landscape where other plants might struggle.

Where to Use Nash’s Blue-Eyed Grass in Your Landscape

This adaptable little beauty shines in several garden settings:

  • Native plant gardens where you want to showcase regional flora
  • Rain gardens and bioswales where its moisture tolerance comes in handy
  • Meadow-style plantings for a naturalistic look
  • As groundcover in informal areas
  • Mixed wildflower beds where it can mingle with other native species

Growing Conditions and Care

One of the best things about Nash’s blue-eyed grass is how easy-going it is. This perennial thrives in USDA hardiness zones 7-9, which perfectly matches its native southeastern range.

Light requirements: Give it full sun to partial shade – it’s not picky and will adapt to what you’ve got.

Soil preferences: While it can handle various soil types, it appreciates moist to moderately dry conditions. Thanks to its facultative wetland status, it won’t complain about occasional wet feet or slightly drier spells.

Maintenance: Here’s where this plant really wins points – it’s remarkably low-maintenance. Once established, it pretty much takes care of itself.

Planting and Propagation Tips

Nash’s blue-eyed grass has a tendency to self-seed, which means you might find pleasant surprises popping up around your garden. If you want to encourage this natural spreading, simply let some flowers go to seed rather than deadheading them all.

When planting, choose a spot that matches its native habitat preferences. Since it naturally occurs in both wetland and upland areas, you have flexibility in placement. Just make sure it gets adequate moisture during establishment.

The Bottom Line

Nash’s blue-eyed grass offers that perfect combination of native authenticity, low maintenance, and genuine charm that makes gardeners smile. It’s particularly wonderful for those wanting to create more sustainable, wildlife-friendly landscapes while still enjoying beautiful blooms throughout the growing season.

Whether you’re developing a full native plant garden or just want to add some southeastern character to your landscape, this little blue-eyed beauty deserves a spot in your garden plans. Your local pollinators will thank you, and you’ll love having such a delightful, easy-care addition to your plant palette.

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

Atlantic and Gulf Coastal Plain

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Eastern Mountains and Piedmont

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Nash’s 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 nashii E.P. Bicknell - Nash's 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