North America Native Plant

Dwarf Greasebush

Botanical name: Glossopetalon pungens

USDA symbol: GLPU

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Forsellesia pungens (Brandegee) A. Heller (FOPU3)  âš˜  Forsellesia pungens (Brandegee) A. Heller var. glabra Ensign (FOPUG)  âš˜  Glossopetalon pungens Brandegee var. glabrum (Ensign) H. St. John (GLPUG)   

Dwarf Greasebush: A Rare Desert Gem Worth Growing Responsibly Meet the dwarf greasebush (Glossopetalon pungens), a small but mighty native shrub that’s perfectly adapted to life in the American Southwest. This unassuming desert dweller might not win any beauty contests, but it’s got character in spades and plays an important ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Uncertain taxonomy: ⚘ Subspecies or variety is 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) ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Region: Conservation status by state

Dwarf Greasebush: A Rare Desert Gem Worth Growing Responsibly

Meet the dwarf greasebush (Glossopetalon pungens), a small but mighty native shrub that’s perfectly adapted to life in the American Southwest. This unassuming desert dweller might not win any beauty contests, but it’s got character in spades and plays an important role in its native ecosystem.

What Makes Dwarf Greasebush Special?

This perennial shrub is a true native of California and Nevada, where it has spent thousands of years perfecting the art of desert survival. As a multi-stemmed woody plant, it typically stays compact at under 13-16 feet tall, though most specimens remain much smaller in typical growing conditions.

The dwarf greasebush earns its name from its dense, somewhat greasy-feeling foliage that helps it retain precious moisture in harsh desert conditions. While it may not be the showiest plant in your garden, its small white to greenish flowers provide subtle beauty and serve as a food source for local pollinators.

Geographic Distribution and Native Range

Dwarf greasebush calls the desert regions of California and Nevada home, thriving in areas where many other plants simply can’t survive. This limited range makes it a true regional specialist.

Important Conservation Note

Here’s something every responsible gardener should know: dwarf greasebush has a Global Conservation Status of S2S3, which means it’s considered uncommon to rare in its native range. This doesn’t mean you can’t grow it, but it does mean you should source your plants responsibly from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Why Grow Dwarf Greasebush?

If you’re creating a water-wise landscape or want to support native biodiversity, dwarf greasebush offers several compelling reasons to include it in your garden:

  • Extremely drought-tolerant once established
  • Requires minimal maintenance
  • Supports local ecosystems and wildlife
  • Perfect for authentic desert landscaping
  • Helps preserve a rare native species

Garden Design and Landscape Role

Dwarf greasebush shines in desert gardens, rock gardens, and xeriscaping projects. Its compact form and low water needs make it an excellent choice for:

  • Native plant gardens
  • Rock gardens and desert landscapes
  • Water-wise residential landscaping
  • Erosion control on slopes
  • Wildlife habitat gardens

Growing Conditions and Care

Think desert survival and you’ll understand what this plant needs. Dwarf greasebush thrives in conditions that would stress many other plants:

  • Sun: Full sun is essential
  • Soil: Well-draining sandy or rocky soils are preferred
  • Water: Minimal water requirements once established
  • Hardiness: Best suited for USDA zones 8-10
  • Fertilizer: Little to no fertilization needed

Planting and Care Tips

Successfully growing dwarf greasebush is all about mimicking its natural desert habitat:

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage – this plant will not tolerate waterlogged soil
  • Water regularly the first year to establish roots, then reduce to minimal watering
  • Avoid fertilizing, as rich soils can actually harm this adapted desert plant
  • Mulch with gravel or decomposed granite rather than organic mulch
  • Prune lightly if needed, but the natural form is usually best

Supporting Pollinators and Wildlife

While dwarf greasebush may have small, inconspicuous flowers, they still provide nectar and pollen for native insects and other small pollinators that have co-evolved with this plant over millennia. Every native plant you add to your landscape creates stepping stones for wildlife moving through urban and suburban areas.

The Bottom Line

Dwarf greasebush isn’t for every garden or every gardener, but if you’re passionate about water-wise landscaping, supporting native biodiversity, or creating authentic desert gardens, it’s definitely worth considering. Just remember to source your plants responsibly from nurseries that propagate their own stock, helping ensure this uncommon native continues to thrive both in the wild and in our gardens.

By choosing to grow rare natives like dwarf greasebush, you’re not just creating a beautiful, low-maintenance landscape – you’re becoming a steward for plants that need our help to survive in an increasingly developed world.

Dwarf 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 pungens Brandegee - dwarf greasebush

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