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Beaked yucca

Yucca rostrata

Last reviewed: August 2026

Yucca rostrata is a slow-growing evergreen succulent with a rounded head of silvery blue leaves atop a single trunk. It thrives in hot, dry, sunny sites and blooms with tall creamy flower spikes in late spring to midsummer.

Beaked yucca (Yucca rostrata)
Photo: c299792458 / Wikimedia Commons (CC BY-SA 3.0)

Toxicity unknown

Beaked yucca (Yucca rostrata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

60"–180" H × 36"–60" W

Bloom

May, Jun, Jul

Native to

TX

Pollinators

moths, bees

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Browse plants for this ecoregion

A slow-growing, tree-like succulent with one or more slender trunks topped by dense, rounded rosettes of fine, powdery blue-gray leaves and a tall spike of creamy-white flowers in late spring. A prized architectural specimen in dry gardens.

Growing Beaked yucca

Grow Beaked yucca in full sun and low water. Mature plants reach 60 to 180 inches tall and spread 36 to 60 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

Regional care guide

How to care for Beaked yucca where it is actually grown: year-round basics plus what to do each season, region by region, with the sources for each.

Care guidance last updated: July 2026

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Cross Timbers (includes Fort Worth, TX)

Year-round

Beaked yucca is a slow growing, tree-like evergreen from far West Texas that thrives on neglect: full sun, sharp drainage, and very little water once it is established. In North Texas it works best as a single accent plant, not a filler.

  • Give it full sun and the best-draining spot in the yard. It evolved on rocky slopes and will not tolerate wet feet.
  • In heavy black clay, plant it high on a slight mound or amend the planting hole heavily with coarse gravel or decomposed granite for drainage. In the sandier, faster-draining soils west of the metro, it will need closer watering through its first summer to establish.
  • Water deeply but infrequently once established, no more than once every 3 to 4 weeks in summer, and skip watering in winter unless the soil has been bone dry for weeks.
  • Keep it away from walkways, play areas, and anywhere pets or kids pass close by. The leaf tips are stiff and sharp enough to puncture skin.
  • Yucca is on the ASPCA toxic plant list for dogs and cats (saponins), which can cause vomiting if a pet chews the leaves or fiber. Keep pets from chewing on fallen leaves or the trunk.

Summer

Summer heat is what beaked yucca is built for. The real risk in July and August is overwatering, not heat stress.

  • Once established (after its first full year in the ground), water only during extended drought, no more than once a month even in 100F-plus heat.
  • A plant put in this spring still needs a deep soak every 10 to 14 days through its first summer if there is no rain, especially in the sandier soils west of the metro.
  • Watch for yellowing or mushy leaves near the base. That is a sign of rot from too much water, not sun or heat damage.
  • If seed pods formed after spring bloom, leave the stalk standing through summer. The pods can still hold developing yucca moth larvae, the plant's only pollinator.

A browning flower stalk left standing can read as untidy to neighbors. If that is a concern, cut it back to the base once the pods have dried and split open.

Fall

Fall is a second good planting window for beaked yucca, since cooler weather lets roots settle in before next summer's heat.

  • September through November works well for planting or transplanting. Roots get all fall and winter to establish before summer stress arrives.
  • Once the flower stalk has fully dried and turned brown, usually by October, cut it back to the base.
  • Trim only fully dead, brown lower leaves. Leave green leaves in place, since they help insulate the trunk through winter cold.
  • Skip supplemental watering once fall rains arrive. An established plant does not need extra water this time of year.

Removing the dried flower stalk and dead leaf skirt in fall keeps the plant looking tended going into winter.

Winter

Beaked yucca is cold hardy through a typical North Texas winter and needs almost no care, though its sharp leaf tips are easier to walk into when nearby plants are bare and light is low.

  • No watering is needed in a normal winter. Only water if there has been no rain for 6 or more weeks.
  • It handles the area's typical short hard freezes without protection. Only cover or wrap it ahead of a forecast Arctic outbreak below 10F.
  • Leave the leaf rosette alone through winter. Pruning stresses the plant, so save dead leaf removal for fall or spring.
  • Keep it away from winter walkways and dark corners, where bare surrounding plants and low light make the stiff, sharp leaf tips easier to walk into.

A yucca holding its shape and gray-blue color through a bare winter bed reads as intentional structure, not neglect.

Spring

Spring is the main planting window for beaked yucca and when its tall flower stalk appears.

  • Plant new specimens in March or April, after the last frost, so roots have the full growing season to establish before next winter's cold.
  • Backfill the planting hole with existing soil mixed with coarse sand or gravel rather than compost or bagged garden soil. Rich, moisture-holding soil invites rot.
  • Expect a tall flower stalk with clusters of white, bell-shaped blooms in April or May. An established plant may skip blooming in some years, which is normal.
  • Do not fertilize in spring. Extra feeding encourages soft, floppy growth that is more prone to rot in our humid summers.

The upright flower stalk and clean, sculptural rosette read as an intentional desert-style accent rather than an untended yard.

Sources: Yucca thompsoniana (syn. Y. rostrata), Lady Bird Johnson Wildflower Center Native Plant Database, Yucca toxicity, ASPCA Animal Poison Control

Texas Blackland Prairies (includes Dallas, TX)

Year-round

Beaked yucca is a slow growing, tree-like evergreen from far West Texas that thrives on neglect: full sun, sharp drainage, and very little water once it is established. In North Texas it works best as a single accent plant, not a filler.

  • Give it full sun and the best-draining spot in the yard. It evolved on rocky slopes and will not tolerate wet feet.
  • In heavy black clay, plant it high on a slight mound or amend the planting hole heavily with coarse gravel or decomposed granite for drainage. In the sandier, faster-draining soils west of the metro, it will need closer watering through its first summer to establish.
  • Water deeply but infrequently once established, no more than once every 3 to 4 weeks in summer, and skip watering in winter unless the soil has been bone dry for weeks.
  • Keep it away from walkways, play areas, and anywhere pets or kids pass close by. The leaf tips are stiff and sharp enough to puncture skin.
  • Yucca is on the ASPCA toxic plant list for dogs and cats (saponins), which can cause vomiting if a pet chews the leaves or fiber. Keep pets from chewing on fallen leaves or the trunk.

Summer

Summer heat is what beaked yucca is built for. The real risk in July and August is overwatering, not heat stress.

  • Once established (after its first full year in the ground), water only during extended drought, no more than once a month even in 100F-plus heat.
  • A plant put in this spring still needs a deep soak every 10 to 14 days through its first summer if there is no rain, especially in the sandier soils west of the metro.
  • Watch for yellowing or mushy leaves near the base. That is a sign of rot from too much water, not sun or heat damage.
  • If seed pods formed after spring bloom, leave the stalk standing through summer. The pods can still hold developing yucca moth larvae, the plant's only pollinator.

A browning flower stalk left standing can read as untidy to neighbors. If that is a concern, cut it back to the base once the pods have dried and split open.

Fall

Fall is a second good planting window for beaked yucca, since cooler weather lets roots settle in before next summer's heat.

  • September through November works well for planting or transplanting. Roots get all fall and winter to establish before summer stress arrives.
  • Once the flower stalk has fully dried and turned brown, usually by October, cut it back to the base.
  • Trim only fully dead, brown lower leaves. Leave green leaves in place, since they help insulate the trunk through winter cold.
  • Skip supplemental watering once fall rains arrive. An established plant does not need extra water this time of year.

Removing the dried flower stalk and dead leaf skirt in fall keeps the plant looking tended going into winter.

Winter

Beaked yucca is cold hardy through a typical North Texas winter and needs almost no care, though its sharp leaf tips are easier to walk into when nearby plants are bare and light is low.

  • No watering is needed in a normal winter. Only water if there has been no rain for 6 or more weeks.
  • It handles the area's typical short hard freezes without protection. Only cover or wrap it ahead of a forecast Arctic outbreak below 10F.
  • Leave the leaf rosette alone through winter. Pruning stresses the plant, so save dead leaf removal for fall or spring.
  • Keep it away from winter walkways and dark corners, where bare surrounding plants and low light make the stiff, sharp leaf tips easier to walk into.

A yucca holding its shape and gray-blue color through a bare winter bed reads as intentional structure, not neglect.

Spring

Spring is the main planting window for beaked yucca and when its tall flower stalk appears.

  • Plant new specimens in March or April, after the last frost, so roots have the full growing season to establish before next winter's cold.
  • Backfill the planting hole with existing soil mixed with coarse sand or gravel rather than compost or bagged garden soil. Rich, moisture-holding soil invites rot.
  • Expect a tall flower stalk with clusters of white, bell-shaped blooms in April or May. An established plant may skip blooming in some years, which is normal.
  • Do not fertilize in spring. Extra feeding encourages soft, floppy growth that is more prone to rot in our humid summers.

The upright flower stalk and clean, sculptural rosette read as an intentional desert-style accent rather than an untended yard.

Sources: Yucca thompsoniana (syn. Y. rostrata), Lady Bird Johnson Wildflower Center Native Plant Database, Yucca toxicity, ASPCA Animal Poison Control

Want these tasks as reminders timed to your yard? Pollinator Patch turns this guidance into a season-by-season care plan for the plants you actually grow.

In an HOA neighborhood

Beaked yucca is an HOA-friendly choice. Maintenance level: low. Tidiness: 5 out of 5.

Works well in: front yard, foundation, street edge.

  • Leaf tips are moderately sharp; site away from tight walkways

Wildlife value

Host plant for yucca moth.

Flower spikes support yucca moth pollination and provide nectar for foraging bees.

Common questions

How much water does Yucca rostrata need?
Yucca rostrata is drought tolerant and prefers infrequent, deep watering. It does best in well-drained soil and can rot if kept consistently wet, so low water once established is ideal.
How much sun does Yucca rostrata need?
This yucca grows best in full sun and can also handle part sun. It develops its tightest, most symmetrical rounded head of foliage with strong, direct light.
When does Yucca rostrata bloom?
Yucca rostrata typically blooms from May through July, sending up a tall flower stalk with clusters of creamy white, bell shaped flowers above the foliage.
What pollinates Yucca rostrata?
Like other yuccas, Yucca rostrata relies on yucca moths for pollination, a specialized relationship in which the moths lay eggs in the flowers while pollinating them. Bees also visit the blooms.
How big does Yucca rostrata get and how fast does it grow?
It is a slow grower that eventually forms a single trunk topped with a ball shaped cluster of narrow blue-gray leaves, often reaching several feet tall over many years in a garden setting.
Is Beaked yucca HOA-friendly?
Beaked yucca is generally an HOA-friendly choice in the right placement, with low maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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