Bloomipedia
Soaptree yucca (Yucca elata)
Photo: Wendy McCrady via iNaturalist · CC BY 4.0 · resized

Flower profile

Soaptree yucca

Yucca elata

Native in the lower 48

Soaptree yucca is a flowering plant that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 2 states, and across the U.S. it's most often seen in bloom in April–July.

5states
2of our state lists
18,593U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Arizona, New Mexico

Quick look

Yucca elata is a perennial plant, with common names that include soaptree, soaptree yucca, soapweed, and palmella. It is native to southwestern North America, in the Sonoran Desert and Chihuahuan Desert in the United States, southern Nevada, southwestern Utah, and northern Mexico. Yucca elata is widely distributed, although its population appears to be decreasing.

  • It belongs to the Asparagaceae family. iNaturalist
  • USDA PLANTS describes it as a shrub / a tree with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 5 states. USDA PLANTS
  • NatureServe lists it as native to New Mexico and Arizona. NatureServe
  • In New Mexico, most iNaturalist sightings of it in flower come in April–July. iNaturalist
  • In Arizona, most iNaturalist sightings of it in flower come in April–June. iNaturalist
  • USDA PLANTS lists its flower color as white. USDA PLANTS
  • USDA PLANTS gives its bloom period as late spring. USDA PLANTS
  • USDA PLANTS lists a mature height of about 20 ft. USDA PLANTS
  • iNaturalist has 8,639 research-grade sightings of it in New Mexico, ranking #3 among the 109 flowers on our New Mexico list. iNaturalist
  • iNaturalist has 7,875 research-grade sightings of it in Arizona, ranking #10 among the 109 flowers on our Arizona list. iNaturalist

Soaptree yucca gift ideas

Handmade soaptree yucca gifts from independent makers.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (112 records)
Bloom time in each of our 2 states
StateTypePeak bloomSightings*
New MexicoNativeApril–July8,639
ArizonaNativeApril–June7,875

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
New Mexico
Not listed Not on New Mexico state endangered plant species (19.21.2.9 NMAC). NatureServe: SNR, not yet ranked in New Mexico. 19.21.2.9 NMAC
Arizona
Not listed Not on Arizona Native Plant Law protected plants (Ariz. Admin. Code R3-3 Art. 11, App. A, eff. Feb. 2, 2025). NatureServe: SNR, not yet ranked in Arizona. AAC R3-3 App. A
Rare elsewhere
No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsToxic to dogs, cats and horses

ASPCA's entry “Yucca” (Yucca spp), which covers the whole genus, lists it as toxic to dogs, cats and horses. Signs include: Dogs, cats: Vomiting; Horses: liver disease… ASPCA

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records soaptree yucca in 5 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, Nevada, New Mexico, Texas, Utah.

New Mexico counties with USDA records: Bernalillo, Chaves, Dona Ana, Eddy, Grant, Hidalgo, Lea, Lincoln, Luna, Otero, Sierra, Socorro, Valencia.

Arizona counties with USDA records: Apache, Cochise, Coconino, Gila, Graham, Greenlee, La Paz, Maricopa, Navajo, Pima, Pinal, Santa Cruz, Yavapai, Yuma.

More New Mexico flowers

Sources