North America Native Plant

Kay’s Grama

Botanical name: Bouteloua kayi

USDA symbol: BOKA

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Kay’s Grama: A Rare Texas Treasure That Needs Our Protection Meet Kay’s grama (Bouteloua kayi), one of Texas’s most endangered native grasses that you’ve probably never heard of – and for good reason. This little-known perennial grass is so rare that it’s considered critically imperiled, making it more of a ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Kay’s Grama: A Rare Texas Treasure That Needs Our Protection

Meet Kay’s grama (Bouteloua kayi), one of Texas’s most endangered native grasses that you’ve probably never heard of – and for good reason. This little-known perennial grass is so rare that it’s considered critically imperiled, making it more of a conservation concern than a typical garden plant.

What Makes Kay’s Grama Special?

Kay’s grama is a native Texas perennial grass that belongs to the grama grass family, known for their drought tolerance and fine texture. Like other grama grasses, it likely produces delicate, wispy seed heads and maintains a low-growing habit that’s perfectly adapted to Texas’s challenging climate.

Where Does Kay’s Grama Grow?

This rare grass is found exclusively in Texas, making it a true Lone Star endemic. However, its distribution is extremely limited, which is precisely why it’s earned its critically imperiled conservation status.

The Reality Check: Why You Probably Shouldn’t Plant Kay’s Grama

Here’s the thing about Kay’s grama – it has a Global Conservation Status of S1, which means it’s critically imperiled. With typically 5 or fewer known occurrences and very few remaining individuals (less than 1,000), this grass is hanging on by a thread in the wild.

What does this mean for home gardeners? Simply put, Kay’s grama should only be grown as part of serious conservation efforts using responsibly sourced material. It’s not available through typical nursery channels, and attempting to collect it from the wild would be both illegal and harmful to the remaining populations.

Better Alternatives for Your Texas Garden

If you’re drawn to the idea of growing native Texas grasses, there are plenty of wonderful alternatives that won’t put endangered species at risk:

  • Blue grama (Bouteloua gracilis) – drought-tolerant with charming eyebrow-shaped seed heads
  • Buffalo grass (Bouteloua dactyloides) – excellent native lawn alternative
  • Sideoats grama (Bouteloua curtipendula) – beautiful ornamental with distinctive seed heads
  • Black grama (Bouteloua eriopoda) – another drought-tolerant option for xeriscaping

Supporting Conservation Efforts

While you can’t casually plant Kay’s grama in your backyard, you can support its conservation in other ways. Consider donating to native plant societies, participating in habitat restoration projects, or simply spreading awareness about Texas’s rare native plants.

The best thing we can do for Kay’s grama is to leave it in the hands of conservation professionals while celebrating and planting its more common relatives. After all, every native plant we grow in our gardens – even the common ones – helps support the complex web of relationships that rare species like Kay’s grama depend on for survival.

The Bigger Picture

Kay’s grama serves as a reminder that not every native plant is meant for our gardens. Some species are so rare and specialized that their greatest service is teaching us about the incredible diversity of our native landscapes and the importance of protecting what remains.

Instead of trying to grow this endangered grass, let’s honor it by becoming better stewards of the native plants we can grow, creating habitat for wildlife, and supporting the conservation efforts that keep species like Kay’s grama from disappearing forever.

Kay’s Grama

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

Bouteloua Lag. - grama

Species

Bouteloua kayi Warnock - Kay's grama

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