Soaptree Yucca
Yucca elata
A treelike native yucca that depends on the tiny yucca moth for pollination, creating a timeless desert silhouette.
Very cold hardy into the single digits °F, USDA 9-11; native across low and mid-elevation Southwest desert.
AMWUA Notes
Native and extremely drought tolerant yucca needing no irrigation once established.
Care Guide
Established plants need little to no irrigation; water a young plant monthly its first summer, then rely on rainfall.
Remove dead lower leaves; a natural skirt of old leaves can be left or trimmed for a cleaner trunk.
Not necessary in native soil.
Yucca-weevil borers are rare; generally very tough and pest-free.
Very cold hardy into the single digits °F and heat-loving; white flower clusters depend on the yucca moth for pollination.
Soil, Feeding & Propagation
Fast-draining sandy or decomposed-granite desert soil; lean
Needs sharp, fast-draining soil.
None — thrives in lean desert soil without fertilizer.
Seed (offsets uncommon)
8-10 ft
Non-invasive roots; stiff sharp leaf tips, so set back from walkways
Placement Tips
- •Feature as a treelike specimen or vertical accent with room for a 10 ft spread.
- •The stiff leaf tips are sharp, so set back from walkways.
- •Plant in fast-draining soil in full sun.
- •Site where the tall silhouette can be appreciated.
Features
Best Uses
Ecological Value
Attracts
Companion Plants
Quick Stats
Design Styles
Include in Your Project
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Use this care guide to maintain your Soaptree Yucca. Questions about your landscape? Reach out anytime.
Data from 2024 AMWUA “Landscape Plants for the Arizona Desert” guide.
Soaptree Yucca — common questions
Answers for low-desert Phoenix conditions, drawn from this plant’s growing data.
How much water does Soaptree Yucca need in Phoenix?
Soaptree Yucca is a very low-water accent plant once established. Established plants need little to no irrigation; water a young plant monthly its first summer, then rely on rainfall. Native and extremely drought tolerant yucca needing no irrigation once established.
How big does Soaptree Yucca get?
Expect roughly 20 ft tall and 10 ft wide at maturity, with a slow growth rate. Allow about 8-10 ft of spacing when planting. Non-invasive roots; stiff sharp leaf tips, so set back from walkways.
Can you plant Soaptree Yucca near a pool?
Not ideally. Soaptree Yucca is not rated pool-friendly, so it is better placed away from the pool deck and skimmer. Litter is rated low.
Can Soaptree Yucca handle Arizona heat and winter frost?
Soaptree Yucca is hardy in USDA 9-11 and wants full sun. Very cold hardy into the single digits °F, USDA 9-11; native across low and mid-elevation Southwest desert. Very cold hardy into the single digits °F and heat-loving; white flower clusters depend on the yucca moth for pollination.
Does Soaptree Yucca have thorns?
Yes — Soaptree Yucca has small thorns. Site it back from walkways, seating and pool decks where people brush past.
Is Soaptree Yucca safe around pets?
Soaptree Yucca is listed as pet-friendly in this guide. If your dog is a determined chewer, check any new plant with your vet before planting.
When does Soaptree Yucca bloom in Arizona?
Soaptree Yucca blooms in late spring, with white flowers. The bloom draws yucca moths.
How much maintenance does Soaptree Yucca need?
Soaptree Yucca is low-maintenance. Leaf, flower and pod litter is rated low. Remove dead lower leaves; a natural skirt of old leaves can be left or trimmed for a cleaner trunk.
What kind of soil does Soaptree Yucca need?
Fast-draining sandy or decomposed-granite desert soil; lean. It needs no supplemental feeding. Not necessary in native soil.
Is Soaptree Yucca native to Arizona?
Yes. Soaptree Yucca is native to Arizona and to the Southwestern US and Northern Mexico, so it is adapted to local rainfall, soil and heat.