North America Non-native Plant

Hordelymus

Botanical name: Hordelymus

USDA symbol: HORDE2

Habit: grass

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

Hordelymus: The Mystery Grass Genus Worth Knowing About If you’ve stumbled across the name Hordelymus in your botanical adventures, you’re not alone in wondering what exactly this grass genus is all about. This somewhat obscure member of the grass family (Poaceae) represents one of those fascinating plant groups that botanists ...

Hordelymus: The Mystery Grass Genus Worth Knowing About

If you’ve stumbled across the name Hordelymus in your botanical adventures, you’re not alone in wondering what exactly this grass genus is all about. This somewhat obscure member of the grass family (Poaceae) represents one of those fascinating plant groups that botanists know exists, but gardeners rarely encounter in mainstream horticulture.

What Is Hordelymus?

Hordelymus belongs to the graminoid group, which includes true grasses, sedges, rushes, and other grass-like plants. As a member of the grass family, it shares characteristics with more familiar lawn and ornamental grasses, but specific details about this genus remain elusive in popular gardening literature.

The Challenge of Growing Hordelymus

Here’s where things get interesting (and a bit frustrating): reliable information about growing Hordelymus is surprisingly scarce. Unlike popular ornamental grasses such as fountain grass or feather reed grass, Hordelymus hasn’t made its way into mainstream gardening culture, which means we lack detailed cultivation guides, nursery availability, and firsthand growing experiences from home gardeners.

Geographic Distribution

The natural range and distribution of Hordelymus species remains unclear in readily available horticultural sources, making it difficult to determine where these grasses naturally occur and what climates they prefer.

Should You Try Growing Hordelymus?

Given the limited information available, growing Hordelymus presents several challenges:

  • Sourcing plants or seeds may be extremely difficult
  • Growing requirements are not well documented
  • Native status and ecological impact are unclear
  • Hardiness zones and climate preferences are unknown

Better Alternatives for Your Garden

Instead of hunting for the elusive Hordelymus, consider these well-documented native grass alternatives that will give you reliable results:

  • Little bluestem (Schizachyrium scoparium) – excellent for prairie gardens
  • Buffalo grass (Poaceae dactyloides) – drought-tolerant lawn alternative
  • Purple needlegrass (Nassella pulchra) – beautiful ornamental grass
  • Switchgrass (Panicum virgatum) – versatile and wildlife-friendly

The Takeaway

While Hordelymus certainly exists in the botanical world, it remains largely a mystery in practical gardening terms. Until more research and cultivation information becomes available, you’re better off focusing on well-documented native grasses that will provide reliable beauty, ecological benefits, and growing success in your landscape.

Sometimes the most intriguing plants are the ones that keep their secrets – and Hordelymus definitely falls into that category!

Hordelymus

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

Hordelymus (Jess.) Harz

Species

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