North America Native Plant

Texas Greasebush

Botanical name: Glossopetalon texense

USDA symbol: GLTE2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Forsellesia texensis Ensign (FOTE2)   

Texas Greasebush: A Rare Native Gem Worth Protecting in Your Garden Meet Texas greasebush (Glossopetalon texense), one of the Lone Star State’s most elusive native shrubs. This little-known perennial might not win any beauty contests, but for conservation-minded gardeners, it represents something far more valuable: a chance to help preserve ...

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) ⚘

Texas Greasebush: A Rare Native Gem Worth Protecting in Your Garden

Meet Texas greasebush (Glossopetalon texense), one of the Lone Star State’s most elusive native shrubs. This little-known perennial might not win any beauty contests, but for conservation-minded gardeners, it represents something far more valuable: a chance to help preserve a critically endangered piece of Texas’s natural heritage.

What Makes Texas Greasebush Special?

Texas greasebush is a multi-stemmed woody shrub that typically stays compact, rarely exceeding 13-16 feet in height. As a native Texas species, it’s perfectly adapted to the challenging conditions of its homeland. However, there’s a catch that every gardener should know about before considering this plant.

A Plant on the Brink

Here’s where things get serious: Texas greasebush has a Global Conservation Status of S1, meaning it’s critically imperiled. With typically only 5 or fewer known occurrences and fewer than 1,000 individuals remaining in the wild, this shrub is hanging on by a thread. If you’re thinking about growing it, you’re not just choosing a garden plant – you’re potentially becoming a conservation hero.

Where Does It Call Home?

This rare shrub is found exclusively in Texas, making it a true endemic species. It’s particularly associated with limestone areas of central Texas, where it has adapted to the region’s unique geological conditions.

Should You Grow Texas Greasebush?

The short answer is: only if you’re absolutely committed to conservation and can source it responsibly. Given its critically imperiled status, growing Texas greasebush comes with significant responsibility. You should only consider it if:

  • You can obtain seeds or plants from legitimate conservation programs
  • You’re committed to proper care and potentially participating in conservation efforts
  • You understand the plant’s specific growing requirements
  • You’re prepared for the challenge of growing a rare, specialized species

Growing Conditions and Care

If you do decide to take on this conservation challenge, Texas greasebush thrives in conditions that mimic its native limestone habitat:

  • Soil: Well-draining, alkaline soils are essential
  • Sunlight: Full sun to partial shade
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Best suited for USDA hardiness zones 8-9

Garden Design Ideas

Texas greasebush works best in specialized settings rather than traditional landscapes:

  • Rock gardens that showcase native Texas flora
  • Xeriscapes focused on water conservation
  • Native plant collections and botanical gardens
  • Conservation-focused landscapes

Planting and Care Tips

Growing this rare shrub requires attention to detail:

  • Ensure excellent drainage – waterlogged roots are often fatal
  • Plant in spring after the last frost
  • Water sparingly, especially once established
  • Avoid fertilizers, as native plants often prefer lean soils
  • Be patient – rare plants often grow slowly

Supporting Pollinators and Wildlife

While Texas greasebush produces small, inconspicuous white flowers, these modest blooms likely provide nectar for small native bees and other tiny pollinators. Every rare plant that survives contributes to the complex web of relationships that support local ecosystems.

The Bottom Line

Texas greasebush isn’t for every gardener, and that’s okay. Its critically imperiled status means it should only be grown by dedicated conservationists who can source it responsibly and provide proper care. If you’re not ready for that level of commitment, consider supporting conservation organizations that protect this species in the wild.

For those who do take on this challenge, you’re not just growing a plant – you’re participating in conservation history. Every successfully grown Texas greasebush represents hope for a species teetering on the edge of extinction.

Texas Greasebush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Crossosomataceae Engl. - Crossosoma family

Genus

Glossopetalon A. Gray - greasebush

Species

Glossopetalon texense (Ensign) H. St. John - Texas greasebush

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