North America Native Plant

Hemlock Rosette Grass

Botanical name: Dichanthelium sabulorum var. patulum

USDA symbol: DISAP

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Dichanthelium commonsianum (Ashe) Freckmann var. euchlamydeum (Shinners) Freckmann (DICOE)  âš˜  Panicum commonsianum Ashe var. euchlamydeum (Shinners) Pohl (PACOE)  âš˜  Panicum columbianum Scribn. var. siccanum (Hitchc. & Chase) B. Boivin (PACOS)  âš˜  Panicum euchlamydeum Shinners (PAEU)  âš˜  Panicum lancearium Trin. (PALA24)  âš˜  Panicum lancearium Trin. var. patulum (Scribn. & Merr.) Fernald (PALAP4)  âš˜  Panicum lanuginosum Elliott var. siccanum Hitchc. & Chase (PALAS3)  âš˜  Panicum nashianum Scribn. (PANA2)  âš˜  Panicum nashianum Scribn. var. patulum Scribn. & Merr. (PANAP)  âš˜  Panicum onslowense Ashe (PAON)  âš˜  Panicum patulum (Scribn. & Merr.) Hitchc. (PAPA26)  âš˜  Panicum patentifolium Nash (PAPA5)  âš˜  Panicum portoricense Desv. ex Ham. var. nashianum (Scribn.) Lelong (PAPON)  âš˜  Panicum sabulorum Lam. var. patulum (Scribn. & Merr.) C.F. Reed (PASAP2)  âš˜  Panicum tsugetorum Nash (PATS2)  âš˜  Panicum webberianum Nash (PAWE3)   

Hemlock Rosette Grass: A Delicate Native Beauty for Your Garden If you’re looking to add some subtle charm to your native plant garden, hemlock rosette grass (Dichanthelium sabulorum var. patulum) might just be the understated star you didn’t know you needed. This delicate perennial grass brings a soft, naturalistic touch ...

Hemlock Rosette Grass: A Delicate Native Beauty for Your Garden

If you’re looking to add some subtle charm to your native plant garden, hemlock rosette grass (Dichanthelium sabulorum var. patulum) might just be the understated star you didn’t know you needed. This delicate perennial grass brings a soft, naturalistic touch to landscapes while supporting local ecosystems—and it’s easier to grow than you might think!

What Makes Hemlock Rosette Grass Special?

Don’t let the name fool you—this charming little grass has nothing to do with hemlock trees. Hemlock rosette grass is a true native American, naturally occurring across an impressive 30 states throughout the eastern and central United States. From the pine forests of Maine down to the coastal plains of Florida and west to the prairies of Texas and Minnesota, this adaptable grass has been quietly doing its thing for centuries.

As a member of the Poaceae family (that’s the grass family for those keeping track), hemlock rosette grass forms delicate clumps with fine-textured foliage that adds a soft, wispy element to garden compositions. It’s the kind of plant that whispers rather than shouts—perfect for gardeners who appreciate subtle beauty.

Where Does It Grow?

This grass has quite the impressive resume when it comes to geographic distribution! You’ll find hemlock rosette grass thriving naturally in Alabama, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, and Wisconsin.

Why Plant Hemlock Rosette Grass?

Here’s where this little grass really shines as a garden addition:

  • Native plant benefits: As a true native, it supports local wildlife and fits naturally into regional ecosystems
  • Low maintenance: Once established, this perennial grass is remarkably self-sufficient
  • Versatile placement: Works beautifully in woodland edges, naturalized areas, and native plant gardens
  • Erosion control: Its root system helps stabilize soil in sloped or problematic areas
  • Wildlife support: Provides habitat and food sources for native insects and small wildlife

Growing Conditions and Care

The beauty of hemlock rosette grass lies in its adaptability. This resilient perennial thrives in USDA hardiness zones 4 through 9, making it suitable for most temperate gardens across its native range.

When it comes to growing conditions, hemlock rosette grass is refreshingly flexible. It adapts well to various soil types and can handle everything from partial shade to full sun exposure. This makes it an excellent choice for those tricky spots in your garden where other plants might struggle.

Planting and Care Tips

Ready to add this native beauty to your landscape? Here’s what you need to know:

  • Site selection: Choose areas with partial shade to full sun
  • Soil preparation: While adaptable, ensure decent drainage—soggy soil isn’t ideal
  • Planting: Spring is typically the best time for establishment
  • Watering: Water regularly during the first growing season, then let nature take over
  • Maintenance: Minimal care needed once established—this grass practically takes care of itself!

One delightful characteristic of hemlock rosette grass is its ability to self-seed readily, meaning you might find pleasant surprises popping up in suitable spots around your garden. Consider this nature’s way of helping you expand your native plant collection!

Perfect Garden Companions

Hemlock rosette grass plays well with others, especially in naturalistic and native plant garden settings. It works beautifully as a groundcover element, filling in spaces between larger native perennials and shrubs. Consider pairing it with other native grasses, wildflowers, and woodland plants that share similar growing conditions.

The Bottom Line

If you’re passionate about native plants and appreciate subtle, naturalistic beauty, hemlock rosette grass deserves a spot in your garden. It’s not going to stop traffic with showy blooms, but it will quietly contribute to your landscape’s ecological health while requiring minimal fuss from you. Sometimes the best garden additions are the ones that work behind the scenes, and this charming native grass does exactly that—with style.

For gardeners seeking to support local ecosystems while creating beautiful, low-maintenance landscapes, hemlock rosette grass represents everything wonderful about native plant gardening: beauty, functionality, and harmony with the natural world.

Hemlock Rosette Grass

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Dichanthelium (Hitchc. & Chase) Gould - rosette grass

Species

Dichanthelium sabulorum (Lam.) Gould & C.A. Clark - hemlock rosette grass

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