Photo: José Belem Hernández DíazCC BY 4.0

perennial

Carneros Yucca

Yucca carnerosana

The Story

Plant Bio

Yucca carnerosana, commonly known as the Carneros Yucca, is a drought-tolerant evergreen shrub with rosettes of stiff, sword-shaped leaves and tall flower stalks bearing bell-shaped white flowers.

This species is distinguished by its large, arching leaves with prominent terminal spines and its ability to thrive in arid environments, making it a striking xeriscape plant.

Uses & Benefits:

Provides striking architectural form in xeriscapes and desert gardens.

Requires minimal watering and maintenance, ideal for low-water landscapes.

Supports pollinators like moths and butterflies during flowering.

Essentials

At a Glance

Plant Type

Perennial

Height

180 inches

Width

60 inches

Light

Full Sun

Zones

7, 8, 9, 10

Water

Low

Humidity

Low

Lifespan

Decades

Native To

North America

Toxicity

Mildly toxic if ingested

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds or offsets into well-draining soil
Water sparingly until established, about 6 weeks
Place in full sun for optimal growth
Mulch lightly to retain moisture
Fertilize with cactus or succulent fertilizer in spring
Protect from frost in colder zones

Pro Tip

Ensure excellent drainage to prevent root rot and promote healthy growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry periods 🌱
Apply cactus fertilizer in spring
Remove dead or damaged leaves as needed

Don't

Overwater, which can cause rot ❌
Plant in poorly drained soil ❌
Use heavy mulch that retains moisture ❌

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pest Check
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Arid desert borderArchitectural focal pointLow-water xeriscape

Companion Plants

Agave Sedum Yucca filamentosaRed yucca Dasylirion

Multiply

Propagation Methods

Good to Know

Common Questions

Carneros Yucca questions

What zones can Carneros Yucca grow in?

Carneros Yucca is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Carneros Yucca deer resistant?

Yes — Carneros Yucca is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Carneros Yucca bloom?

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

Does Carneros Yucca need full sun?

Carneros Yucca does best in full sun (6+ hours).

Is Carneros Yucca drought tolerant?

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