North America Non-native Plant

Hemlock Rosette Grass

Botanical name: Dichanthelium sabulorum var. sabulorum

USDA symbol: DISAS2

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Hemlock Rosette Grass: A Lesser-Known Native Grass Worth Exploring If you’ve stumbled across the name hemlock rosette grass in your native plant research, you’re not alone in wondering what exactly this grass is all about. Dichanthelium sabulorum var. sabulorum is one of those plants that seems to fly under the ...

Hemlock Rosette Grass: A Lesser-Known Native Grass Worth Exploring

If you’ve stumbled across the name hemlock rosette grass in your native plant research, you’re not alone in wondering what exactly this grass is all about. Dichanthelium sabulorum var. sabulorum is one of those plants that seems to fly under the radar in the native gardening world, and there’s a good reason for that – reliable information about this specific variety is surprisingly scarce.

What We Know About Hemlock Rosette Grass

Hemlock rosette grass belongs to the Poaceae family, making it a true grass rather than a grass-like imposter. As part of the Dichanthelium genus, it’s related to other panic grasses that are more commonly discussed in native plant circles. The rosette in its common name likely refers to a growth pattern where leaves emerge in a circular arrangement from the base of the plant.

What makes this plant particularly intriguing (and frustrating for curious gardeners) is that while the species Dichanthelium sabulorum has some documentation, this specific variety – var. sabulorum – remains somewhat of a botanical mystery in terms of detailed growing information.

Geographic Distribution and Native Status

The geographic distribution of this specific variety remains unclear in available sources, though related species in the Dichanthelium genus are typically found in the southeastern United States. Without confirmed native range information, it’s difficult to recommend this plant with confidence for specific regions.

Should You Plant Hemlock Rosette Grass?

Here’s where things get a bit tricky. While there’s nothing to suggest this plant is invasive or problematic, the lack of readily available growing information makes it a challenging choice for most gardeners. When you’re planning a native landscape, you want plants that come with reliable guidance on:

  • Specific growing conditions and soil preferences
  • Mature size and growth habits
  • Maintenance requirements
  • Wildlife and pollinator benefits
  • Seasonal appearance and behavior

Unfortunately, these details are not well-documented for Dichanthelium sabulorum var. sabulorum, making it difficult to integrate successfully into a planned landscape design.

Better Native Grass Alternatives

If you’re drawn to native grasses that provide habitat and beauty without the guesswork, consider these well-documented alternatives:

  • Little bluestem (Schizachyrium scoparium) – excellent for prairies and naturalized areas
  • Buffalo grass (Poaceae species native to your region) – low-maintenance and drought-tolerant
  • Other Dichanthelium species with better documentation, such as Dichanthelium clandestinum (deer-tongue grass)

The Bottom Line

While hemlock rosette grass may indeed be a perfectly lovely native plant, the lack of specific growing information makes it a risky choice for most gardeners. Native gardening works best when you can match plants to their preferred conditions and understand their role in the ecosystem. Until more detailed information becomes available about this particular variety, you’ll likely have better success with other native grasses that come with proven growing guides and established reputations in the gardening community.

If you do encounter this plant in the wild or have access to seeds from a reputable native plant source, approach it as an experimental addition rather than a cornerstone of your landscape design. Sometimes the most rewarding native gardening experiences come from these little-known species – just be prepared for some trial and error along the way!

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