North America Non-native Plant

Loliolum Subulatum

Botanical name: Loliolum subulatum

USDA symbol: LOSU10

Habit: grass

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

Synonyms: Agropyron subulatum (Banks & Sol.) Roem. & Schult. (AGSU3)   

Loliolum subulatum: The Mystery Grass That’s Probably Not for Your Garden Ever stumbled across a plant name that seems to exist in botanical limbo? Meet Loliolum subulatum, a grass species that’s about as elusive as a unicorn in your backyard. While we’d love to tell you all about this mysterious ...

Loliolum subulatum: The Mystery Grass That’s Probably Not for Your Garden

Ever stumbled across a plant name that seems to exist in botanical limbo? Meet Loliolum subulatum, a grass species that’s about as elusive as a unicorn in your backyard. While we’d love to tell you all about this mysterious member of the grass family, the truth is, there’s precious little reliable information available about this particular species.

What We Do Know (Which Isn’t Much!)

Loliolum subulatum belongs to the grass family, technically described as a graminoid – that’s just a fancy way of saying it’s grass-like. It has a botanical synonym, Agropyron subulatum, which suggests it might be related to wheatgrasses. But beyond these basic taxonomic breadcrumbs, we’re left scratching our heads.

The lack of common names, cultivation information, and horticultural documentation suggests this isn’t a species that’s made its way into gardens or landscape design. In fact, it’s so obscure that even determining its native range or current conservation status proves challenging.

Why This Grass Isn’t Garden-Ready

Here’s the thing about mysterious plants like Loliolum subulatum – they’re fascinating from a botanical curiosity standpoint, but they’re not practical choices for your garden. Here’s why:

  • No available cultivation information means no guidance on how to grow it successfully
  • Unknown hardiness zones make it impossible to determine if it would survive in your climate
  • Lack of seed or plant availability through normal horticultural channels
  • No documented benefits for pollinators or wildlife
  • Uncertain growth habits and mature size

Better Grass Alternatives for Your Garden

Instead of chasing botanical ghosts, consider these well-documented native grasses that will actually thrive in your landscape:

  • Little bluestem (Schizachyrium scoparium) – gorgeous fall color and wildlife benefits
  • Buffalo grass (Poaceae dactyloides) – drought-tolerant lawn alternative
  • Prairie dropseed (Sporobolus heterolepis) – fragrant and deer-resistant
  • Switchgrass (Panicum virgatum) – architectural presence and bird habitat

The Takeaway

While Loliolum subulatum might intrigue botanical enthusiasts and taxonomists, it’s not a realistic choice for home gardeners. The complete absence of cultivation information, availability, and documented garden performance makes it unsuitable for landscape use. Your garden will be much happier with well-researched, readily available native grasses that offer proven beauty and ecological benefits.

Sometimes the most honest gardening advice is knowing when to skip a plant entirely – and this mysterious grass definitely falls into that category!

Loliolum Subulatum

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

Loliolum Krecz. & Bobr.

Species

Loliolum subulatum (Banks & Sol.) Eig

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