North America Native Plant

Utah Croton

Botanical name: Croton texensis var. utahensis

USDA symbol: CRTEU

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Utah Croton: A Rare Native Annual Worth Knowing Meet Utah croton (Croton texensis var. utahensis), a fascinating little native plant that most gardeners have probably never heard of – and for good reason. This annual forb is one of those special botanical gems that exists quietly in the wild, making ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Utah Croton: A Rare Native Annual Worth Knowing

Meet Utah croton (Croton texensis var. utahensis), a fascinating little native plant that most gardeners have probably never heard of – and for good reason. This annual forb is one of those special botanical gems that exists quietly in the wild, making it a true treasure for native plant enthusiasts who love discovering the uncommon.

What Is Utah Croton?

Utah croton is a native annual forb, which means it’s a non-woody plant that completes its entire life cycle in just one growing season. As a member of the spurge family, it shares DNA with some surprisingly diverse plant relatives, but don’t let that family connection worry you – this little guy is perfectly well-behaved in the garden.

The plant lacks any significant woody tissue above ground, keeping things simple with soft, herbaceous growth that emerges, flowers, sets seed, and completes its cycle all within a single year.

Where Does It Call Home?

This specialized variety has a pretty exclusive address – you’ll only find Utah croton growing naturally in Arizona and Utah. It’s what botanists call a narrow endemic, meaning it has a very specific geographic range and particular habitat requirements.

The Rarity Factor: Handle With Care

Here’s where things get interesting (and important): Utah croton has a conservation status that suggests it’s quite rare in the wild. If you’re thinking about adding this plant to your garden, please make sure any seeds or plants you acquire come from responsible, ethical sources that don’t impact wild populations.

This rarity actually makes it an even more special addition to a native plant garden – you’d be growing something that few other gardeners have ever seen, let alone cultivated.

Garden Appeal and Landscape Role

As an annual forb, Utah croton fills a specific niche in native plant gardens. While we don’t have detailed information about its exact appearance or size, annual forbs typically serve important roles as:

  • Gap fillers in perennial plantings
  • Seasonal interest providers
  • Seed sources for wildlife
  • Natural components of wildflower mixes

This plant would be most at home in naturalistic garden settings that aim to recreate the native ecosystems of the American Southwest.

Growing Utah Croton: The Basics

Since Utah croton is native to Arizona and Utah, it’s adapted to the challenging growing conditions of the intermountain West. While specific growing requirements aren’t well-documented for this particular variety, most plants from this region share some common preferences:

  • Well-draining soils (essential for most desert and semi-desert plants)
  • Full sun exposure
  • Minimal water once established
  • Hot, dry summers

As an annual, you’ll need to allow it to set seed if you want it to return next year, or collect seeds for replanting.

A Word of Caution and Encouragement

Given its rarity status, Utah croton isn’t going to be available at your local nursery. If you’re serious about growing this plant, you’ll need to do some detective work to find ethically sourced seeds, and you should be prepared for some trial and error in figuring out its exact needs.

But here’s the thing – sometimes the most rewarding garden adventures come from working with the unusual and challenging plants. If you’re passionate about native plants and conservation, growing Utah croton could be your way of contributing to the preservation of a rare piece of our natural heritage.

The Bottom Line

Utah croton isn’t for every gardener, and it’s definitely not for every garden. But if you’re someone who gets excited about rare natives, appreciates the subtle beauty of desert plants, and wants to play a small role in conservation, this little annual might just be your next obsession.

Just remember: rare plants require responsible gardening. Source ethically, grow thoughtfully, and share seeds generously with other conservation-minded gardeners.

Utah Croton

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

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Croton L. - croton

Species

Croton texensis (Klotzsch) Müll. Arg. - Texas croton

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