North America Native Plant

Toft’s Yucca

Botanical name: Yucca angustissima var. toftiae

USDA symbol: YUANT

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Yucca toftiae S.L. Welsh (YUTO2)   

Toft’s Yucca: A Rare Utah Native Worth Knowing About If you’re a native plant enthusiast with a passion for rare species, Toft’s yucca (Yucca angustissima var. toftiae) might just capture your imagination. This uncommon perennial is one of Utah’s botanical treasures, though you’re unlikely to stumble across it at your ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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. ⚘ 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. ⚘

Toft’s Yucca: A Rare Utah Native Worth Knowing About

If you’re a native plant enthusiast with a passion for rare species, Toft’s yucca (Yucca angustissima var. toftiae) might just capture your imagination. This uncommon perennial is one of Utah’s botanical treasures, though you’re unlikely to stumble across it at your local nursery.

What Makes Toft’s Yucca Special?

Toft’s yucca is a native variety found exclusively in Utah, making it a true regional endemic. As a perennial forb herb, it belongs to the fascinating world of yuccas but maintains the characteristic of lacking significant woody tissue above ground. Don’t let the herb classification fool you though – this is still very much a yucca with all the drought-tolerance and unique beauty that comes with the family.

You might also see this plant referenced by its synonym, Yucca toftiae, in older botanical references.

Where Does It Grow?

This special yucca calls Utah home and nowhere else. Its limited geographic distribution makes it a botanical gem for those lucky enough to encounter it in the wild.

The Rarity Factor: What Gardeners Should Know

Important Conservation Note: Toft’s yucca has a Global Conservation Status of S5T3, indicating it’s uncommon to rare in its native range. This means if you’re considering adding it to your garden, you should only use responsibly sourced material – and that’s assuming you can find any available at all.

The rarity of this plant means:

  • It’s likely not available through commercial nurseries
  • Wild collection is strongly discouraged and may be illegal
  • Any cultivation should support conservation efforts
  • Consider this more of a bucket list plant to appreciate in its natural habitat

Is This Plant Right for Your Garden?

While the specific growing requirements for Toft’s yucca aren’t well-documented, we can make some educated guesses based on its yucca heritage and Utah origins. Like other yuccas, it likely appreciates:

  • Well-draining, sandy or rocky soils
  • Full sun exposure
  • Minimal water once established
  • Protection from excessive moisture

However, given its rarity and limited availability, most gardeners interested in Utah natives might consider other more readily available yucca species that can provide similar aesthetic appeal without conservation concerns.

Alternative Native Options

If you’re drawn to the idea of growing native yuccas but can’t source Toft’s yucca responsibly, consider looking into other Utah natives or more widely available yucca species that won’t put pressure on rare plant populations.

The Bottom Line

Toft’s yucca represents the fascinating diversity of Utah’s native flora, but it’s more of a plant to admire and protect in its natural habitat than to grow in home gardens. Its rarity makes it a conservation priority rather than a landscaping option. For those passionate about native plants, supporting habitat conservation and research into rare species like this one might be the best way to help ensure its survival for future generations.

Sometimes the most beautiful thing we can do for a rare plant is simply let it be wild and wonderful in its natural home.

Toft’s Yucca

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Agavaceae Dumort. - Century-plant family

Genus

Yucca L. - yucca

Species

Yucca angustissima Engelm. ex Trel. - narrowleaf yucca

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