shrub RHS AwardN. America Native

Spanish Dagger

Yucca gloriosa

The Story

Plant Bio

A hardy perennial with sword-like leaves and tall flower spikes.

Known for its showy, fragrant white flowers and architectural foliage.

Uses & Benefits:

Ornamental UsesYucca gloriosa provides architectural foliage and striking form, ideal for xeriscaping and drought-tolerant gardens.
Practical UsesIts drought resistance reduces water needs and maintenance.
Ecological BenefitsProvides habitat and nectar for native pollinators like hummingbirds.

Essentials

At a Glance

Plant Type

Shrub

Height

72 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

6, 7, 8, 9, 10

Water

Low

Humidity

Low

Lifespan

Many decades

Native To

Southeastern United States

Toxicity

Non-toxic to humans and pets

Planting

How to Grow

  1. Tuck well-draining sandy soil around the roots for stability.
  2. Plant in full sun to ensure optimal growth and flowering.
  3. Water sparingly during establishment, then reduce to occasional watering.
  4. Mist cuttings or offsets to encourage rooting in early stages.
  5. Apply a slow-release cactus fertilizer during the growing season.
  6. Mulch lightly to conserve moisture and suppress weeds.

Pro Tip

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

Keep It Thriving

Care Guide

Do

  • Provide full sun for at least 6 hours daily 🌞
  • Use well-draining soil to prevent waterlogging
  • Water sparingly once established

Don't

  • Avoid overwatering, which can cause root rot ❌
  • Don’t plant in heavy clay soils without amendments
  • Refrain from excessive fertilizing, especially nitrogen

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Sculptural accent in xeriscapesVertical interest in desert gardensDrought-tolerant border plant

Multiply

Propagation Methods

Good to Know

Common Questions

Spanish Dagger questions

What zones can Spanish Dagger grow in?

Spanish Dagger is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Spanish Dagger deer resistant?

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

When does Spanish Dagger bloom?

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

Does Spanish Dagger need full sun?

Spanish Dagger does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Spanish Dagger drought tolerant?

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

Keep exploring

Grow Spanish Dagger with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.