Soaptree Yucca (Yucca elata)

Photo: no rights reservedCC0 1.0via iNaturalist

Soaptree Yucca Plant Care

Yucca elata (Engelm.) Engelm.

Updated · Sources · How we source care data

This striking plant is known for its sharp, sword-like leaves that reach up to 4 feet long. Originating from the deserts of the southwestern United States, Yucca elata is highly sought after by plant collectors for its drought tolerance, unique appearance, and ability to thrive in hot, arid climates.

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Water

Every 14–21 days

Light

Full sun to partial shade

Temp

50–85°F

Humidity

30–60%

At a glance

How do you care for Soaptree Yucca?

Plant Soaptree Yucca in full sun to partial shade (USDA zones 6a–10b) and water a young tree every 14–21 days until it is established. It tolerates temperatures of 50–85°F (10–29°C). Fertilize it every 8 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Soaptree Yucca Native To?

Native range3 countries

What Is the Soaptree Yucca?

Soaptree Yucca (Yucca elata) belongs to the Asparagaceae family within the Yucca genus. Soaptree Yucca is native to southwestern North America, in the Sonoran Desert and Chihuahuan Desert in the United States, southern Nevada, southwestern Utah, and northern Mexico. Soaptree Yucca is also known as Desert Yucca, Sagebrush Yucca.

Soaptree Yucca displays an upright, architectural growth habit, reaching up to 6 ft tall with a spread of approximately 3 ft. Soaptree Yucca produces creamy-white, bell-shaped flowers on tall spikes.

Leaf size: approximately 18 inches.

How Often Should You Water a Soaptree Yucca?

Water a young or newly planted Soaptree Yucca every 14–21 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 14–21 days

Until established; then in dry spells

What Light Does the Soaptree Yucca Need?

Soaptree Yucca thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Soaptree Yucca Prefer?

Yucca elata tolerates temperatures of 50–85°F. Soaptree Yucca prefers humidity levels of 30–60%.

Temperature

50–85°F

Humidity

30–60%

What Soil Mix Works Best for a Soaptree Yucca?

Sandy, well-draining soil mix with added perlite and gravel for good drainage. Good drainage is essential for Soaptree Yucca to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Soaptree Yucca?

Feed Soaptree Yucca every 8 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 8 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Soaptree Yucca?

Choose a spot with full sun to partial shade and sandy, well-draining soil mix with added perlite and gravel for good drainage. Avoid low spots where water collects after rain.

Soaptree Yucca is suited to USDA Zone 6a – 10b.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Soaptree Yucca?

Soaptree Yucca can spread to about 3 ft (0.9 m) and reach about 6 ft (2 m) tall. Space plants about 3 ft (0.9 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the tree spacing calculator.

How Do You Prune a Soaptree Yucca?

Prune Soaptree Yucca while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.

How Do You Care for a Soaptree Yucca in Winter?

Soaptree Yucca is hardy down to USDA zone 6a, so once established it can stay outdoors through winter in that zone and warmer ones.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown trees need extra protection: roots in a pot freeze much more easily than roots in the ground.

How Do You Propagate a Soaptree Yucca?

Soaptree Yucca can be propagated through offsets (pups), seeds. Similar propagation techniques also apply to spanish bayonet plant care, which shares the same genus.

Is the Soaptree Yucca Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Soaptree Yucca?

Soaptree Yucca is susceptible to aphids, spider mites, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Soaptree Yucca Need?

Soaptree Yucca grows outdoors in USDA Zone 6a – 10b. It survives winters down to planting zone 6a. Soaptree Yucca is native to southwestern North America, in the Sonoran Desert and Chihuahuan Desert in the United States, southern Nevada, southwestern Utah, and northern Mexico.

Hardiness Zone

Zone 6a – 10b

Keep exploring plants

Soaptree Yucca is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Yucca genus — compare its care with other Yucca species on PlantoScan.

Yucca is part of the Asparagaceae plant family — browse all Asparagaceae genera and species.

Soaptree Yucca thrives in bright light and direct sun — see other bright-light plants.

More Yucca Species

Other Yucca species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Yucca elata (Engelm.) Engelm., family Asparagaceae (first published in Bot. Gaz. 7: 17 (1882)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Soaptree Yucca is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: Public domain, CC0 1.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 6a – 10b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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