perennial

Thompson's Yucca

Yucca thompsoniana

The Story

Plant Bio

Yucca thompsoniana, commonly known as Thompson's Yucca, is a drought-tolerant, evergreen shrub with stiff, sword-like leaves and tall flower stalks bearing bell-shaped, creamy-white flowers.

This species is distinguished by its robust, columnar growth habit and its ability to thrive in rocky, poor soils, making it a popular choice for xeriscaping and drought-resistant gardens.

Uses & Benefits:

Sharp, architectural silhouette adds visual interest year-round.

Requires minimal watering and maintenance, ideal for xeriscapes.

Provides habitat for desert-adapted insects and birds.

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun

Zones

5, 6, 7, 8, 9

Water

Low

Humidity

Low

Lifespan

Many years

Native To

North America

Toxicity

Non-toxic to humans and pets

Bloom period

Late summer – Late fall

In flower about 4 months of the year

Planting

How to Grow

Tuck seeds or small plants into well-draining soil.
Water sparingly until established, about 6 weeks.
Place in full sun for optimal growth.
Avoid overwatering to prevent root rot.
Mulch lightly to conserve moisture.
Prune dead leaves in early spring.

Pro Tip

Ensure excellent drainage and avoid overwatering for best results.

Keep It Thriving

Care Guide

Do

Tuck into well-draining soil 🌱
Water sparingly during establishment 🌱
Place in full sun for vigorous growth 🌱
Prune dead leaves in early spring 🌱

Don't

Don't overwater to prevent root rot ❌
Avoid shaded spots ❌
Don't use heavy clay soil ❌

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Plant
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Spiky desert accentDrought-tolerant borderArchitectural focal point

Companion Plants

Agave Sedum Yucca filamentosaLavender Red Yucca

Multiply

Propagation Methods

Good to Know

Common Questions

Thompson's Yucca questions

What zones can Thompson's Yucca grow in?

Thompson's Yucca is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Thompson's Yucca deer resistant?

Not reliably. Deer may browse Thompson's Yucca, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Thompson's Yucca bloom?

Thompson's Yucca typically blooms in late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Thompson's Yucca need full sun?

Thompson's Yucca does best in full sun (6+ hours).

Is Thompson's Yucca drought tolerant?

Yes — once established (usually after the first full season), Thompson's Yucca handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.