North America Non-native Plant

Corn

Botanical name: Zea mays parviglumis

USDA symbol: ZEMAP

Life cycle: annual

Habit: grass

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Corn (Zea mays parviglumis): A Mysterious Grass with Limited Garden Appeal If you’ve stumbled across the name Zea mays parviglumis while researching plants for your garden, you’re probably scratching your head—and for good reason! This particular subspecies of corn is something of an enigma in the gardening world, with very ...

Corn (Zea mays parviglumis): A Mysterious Grass with Limited Garden Appeal

If you’ve stumbled across the name Zea mays parviglumis while researching plants for your garden, you’re probably scratching your head—and for good reason! This particular subspecies of corn is something of an enigma in the gardening world, with very little information available about its cultivation or garden potential.

What Exactly Is Zea mays parviglumis?

Zea mays parviglumis belongs to the grass family (Poaceae) and is classified as an annual plant. While it shares the common name corn with the familiar crop we know and love, this particular subspecies appears to be quite different from your typical sweet corn or field corn. It’s essentially a grass or grass-like plant that completes its entire life cycle in one growing season.

Native Status and Where It Grows

Here’s where things get interesting: Zea mays parviglumis is considered a non-native species that has been introduced to the United States. It has established itself in the wild and can reproduce without human intervention, currently documented as growing in Florida.

As a non-native species, it’s not part of our natural ecosystem’s original plant community, though it doesn’t appear to be classified as invasive or noxious at this time.

Should You Grow It in Your Garden?

This is where we hit a major roadblock. There’s remarkably little information available about growing Zea mays parviglumis in garden settings. We don’t have reliable data about:

  • Preferred growing conditions
  • USDA hardiness zones
  • Height and spread
  • Aesthetic appeal
  • Wildlife or pollinator benefits
  • Care requirements

This lack of information makes it difficult to recommend this plant for home gardeners. Without knowing its growth requirements, potential size, or ecological benefits, it’s challenging to determine how it might fit into your landscape design.

Better Alternatives for Your Garden

If you’re looking for native grasses to add to your Florida landscape, consider these well-documented alternatives instead:

  • Wiregrass (Aristida stricta) – A beautiful native bunch grass
  • Sand cordgrass (Spartina bakeri) – Perfect for coastal areas
  • Florida gamma grass (Tripsacum floridanum) – Great for naturalized areas
  • Fakahatchee grass (Tripsacum dactyloides) – Excellent for wildlife habitat

These native options offer proven benefits to local wildlife, are adapted to Florida’s climate, and have well-established care requirements that make them much easier to grow successfully.

The Bottom Line

While Zea mays parviglumis might sound intriguing, the lack of available growing information and its non-native status make it a questionable choice for most gardeners. Your time and garden space are better invested in native plants that support local ecosystems and come with reliable growing guides.

If you’re specifically interested in this plant for research purposes or have encountered it growing wild, we’d recommend consulting with local botanists or extension services who might have more specialized knowledge about this mysterious grass.

Corn

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

Zea L. - corn

Species

Zea mays L. - corn

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