North America Non-native Plant

Snowdenia Polystachya

Botanical name: Snowdenia polystachya

USDA symbol: SNPO

Habit: grass

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

The Mystery Grass: Snowdenia polystachya Ever stumbled across a plant name that sounds intriguing but leaves you scratching your head? Meet Snowdenia polystachya, a grass species that’s about as mysterious as its scientific name suggests. While most gardeners are familiar with common lawn grasses and ornamental varieties, this particular species ...

The Mystery Grass: Snowdenia polystachya

Ever stumbled across a plant name that sounds intriguing but leaves you scratching your head? Meet Snowdenia polystachya, a grass species that’s about as mysterious as its scientific name suggests. While most gardeners are familiar with common lawn grasses and ornamental varieties, this particular species flies well under the radar of typical gardening circles.

What Is Snowdenia polystachya?

Snowdenia polystachya belongs to the world of graminoids – that’s the fancy term for grass and grass-like plants. This group includes not just your typical lawn grasses, but also sedges, rushes, and other similar plants that might fool you into thinking they’re all the same thing (they’re not, but that’s a story for another day!).

The truth is, detailed information about this particular species is surprisingly scarce. It’s one of those plants that exists in botanical records but hasn’t made its way into mainstream gardening conversations or nursery catalogs.

Geographic Distribution and Native Status

Here’s where things get a bit fuzzy. The geographic distribution and native range of Snowdenia polystachya aren’t well-documented in readily available sources. This lack of information makes it difficult to determine where this grass naturally occurs or whether it might be appropriate for your local ecosystem.

Should You Grow Snowdenia polystachya?

This is where we need to pump the brakes a bit. Given the limited information available about this species, including its:

  • Unknown native status
  • Unclear growing requirements
  • Uncertain hardiness zones
  • Unknown ecological impacts

It’s difficult to recommend Snowdenia polystachya for home gardens. When we don’t know enough about a plant’s behavior, growing needs, or potential to become problematic, it’s usually wise to err on the side of caution.

Better Alternatives for Your Garden

Instead of gambling with an unknown grass species, consider these well-understood native grass alternatives that can provide similar ornamental value:

  • Little bluestem (Schizachyrium scoparium) for prairie-style gardens
  • Buffalo grass (Bouteloua dactyloides) for drought-tolerant lawns
  • Blue grama (Bouteloua gracilis) for xeriscaping
  • Switch grass (Panicum virgatum) for modern landscape designs

The Takeaway

While Snowdenia polystachya might sound exotic and intriguing, sometimes the most responsible approach is to stick with what we know works well. Native grasses in your area have the advantage of being adapted to local conditions, supporting local wildlife, and having well-documented care requirements.

If you’re curious about unique grasses for your landscape, consult with local native plant societies or extension services. They can point you toward interesting, well-studied species that will thrive in your specific location while supporting local ecosystems.

Remember: the best garden plants are often the ones that nature has already tested in your area for thousands of years!

Snowdenia Polystachya

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

Snowdenia C.E. Hubb.

Species

Snowdenia polystachya (Fresen.) Pilg.

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