Beaked Yucca (Yucca rostrata) Growing & Care Guide for Gardeners
Article by Dean Ravenscroft, Ph.D. - Updated 1st Feb 2024
- Plant Characteristics: A distinctive yucca with a spherical head of narrow, blue-green leaves atop a tall, slender trunk. Known for its striking, sculptural form and a tall spike of white flowers.
- Growing & Care: Prefers full sun and well-drained soil. Highly drought-tolerant and suitable for xeriscaping. Can withstand cold temperatures better than many other yucca species.
- Tips for New Gardeners: A great choice for adding a dramatic element to the landscape. Requires minimal maintenance and is easy to care for once established. Ideal for modern and desert-style gardens.
If you are only planning to grow one type of Yucca in the garden, then you should seriously consider Yucca rostrata, the Beaked yucca, as your choice.
Ideally grow in large containers, in a bed or border, in gravel, or in a low water requirement xeriscaped garden.
Yucca Rostrata 'Blue Velvet' at Huntington Botanical Garden, picture by cultivar413, Creative Commons.
This plant makes a great focal point for any part of the garden and is especially useful for landscaping large dry areas.
It is a deer and rabbit resistant, and drought tolerant, plant that requires little maintenance.
Beaked yucca makes a nice plant to grow in a wild life garden if you wish to attract hummingbirds.
This attractive evergreen plant usually reaches from 8 to 16 feet (2.5 to 5 m) in height and does best when grown in the sun.
Of all the ornamental Yucca plants this is perhaps the nicest looking. It is slow growing plant. The single trunk is thick and it can reach as much as 16 feet (5 m) tall.
Yucca rostrata plant in tree form, photograph by Forest and Kim Starr; CC.
It has an attractive pompom like head, which itself contain hundreds of thin sword-shaped leaves. Although stiff, these leaves are flexible and look nice swaying in the wind.
These sturdy leaves are typically 2 feet (60 cm) in length, thin, a pale grey-blue-green color with yellow margins, slightly waxy, and tapered at the tip. The leaves of the cultivar 'Saphire Skies; are a powder blue color.
Yucca rostrata and park benches photograph by Megan Hansen, CC.
Yucca rostrata blooms in spring when it carries a long panicle of white flowers. The inflorescence itself is a yellow-orange color and can reach about 40 inches (100 cm) in height.
Beaked Yucca in bloom, photograph by William Herron; CC.
This plant is very similar in appearance to Yucca rigida, though its leaves are not as stiff and rigid.
Plants are native to the rocky slopes, canyons, and ridges of North Mexico and western Texas. This can be a tough environment, and plants are hardy to 0°F (-17°C) or even lower.
Yucca rostrata grown as a as a container plant, image by Herry Lawford; CC.
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Yucca rostrata Growing and Care Guide
- Scientific Name: Yucca rostrata
- Life Cycle / Plant Type: Evergreen Tree, Perennial, Succulents and Cacti
- Common Name: Beaked Yucca, Silver Yucca, Blue Beaked Yucca, or Big Bend yucca.
- Growing Zone: USA: 5 to 10. UK hardiness H5. Hardy to - 15°C.
- Best Garden Use: Border, Rocky gardens, Specimen, Dry soil. Great plant for year long interest.
Plant Details
- Plant Height: 10 to 16 feet (3 to 5 m)
- Plant Spread: 6 to 8 feet (1.8 to 2.5 m)
- Time of Bloom: Spring
- Flower Details: Creamy white, purple tinge
- Flower Details: Inflorescences. Clusters. Odorless.
- Leaf Foliage: Spheres of hundreds of leaves. Sword-shaped, Blue, Green, Silvery. Stiff. Waxy. Leaves can reach two to three feet (60 to 90 cm) long.
- Fruit:
- Growth Form: Upright, Erect.
Ideal Growing Conditions
- Best Light Conditions: Full sunlight for best results. Can tolerate partial shade.
- Suitable Soil Types: Rocky and porous soils are ideal. Can easily grow in poor soils and sand. Rich and Loamy gives fairly good results.
- Soil Moisture: Fairly moist, Well drained. Drought tolerant once established.
- Rate of Growth: Grows slowly
Yucca rostrata Care Conditions
- Level of Maintenance: Low.
- Propagation Details
Seeds: Sow in sand or a very well drained soil gravel mix. Cover seeds to about 3 mm (1/8th inch). Germination takes about two months at 16 to 18°C (59 to 65°F). Grow indoors in pots for the first couple of years as Yucca rostrata plants are slow growing.
Cuttings Winter, root cuttings.
or plant from offsets. - Spacing: 10 feet (3 m)
- Plant Care: Provide shelter from drying winds. Ensure soil is well drained (add pebbles if required) as this plant is susceptible to root rot in the winter.
- How to Prune: Not required. Ornamental shaving of old leaves to reveal the trunk.
- Pests: Snails, Blackfly, Beetle larvae,
- Diseases: Yucca leaf spot, Root rot,
Further Information
- Can Attract: Hummingbirds
- Tolerant of: Deer, Rabbits, Drought
- Closely Related Species: Asparagus, Lirope, Nolina, Eucomis, and Hosta.
- Miscellaneous: North American native. Traditional food and fiber source of Native Americans.
- Genus Detail: Yucca
- Further Reading and References: NCSU and Wikipedia
- Family: Asparagaceae / Agavoideae. Closely related species belonging to this plant family include: Solomon's Seal; Glory of the Snow; Winter Veltheimia; Star of Bethlehem; Spanish Hyacinth; and of course Asparagus Growing Guide.
I hope that you enjoyed this guide on how to grow Yucca rostrata. You may also enjoy the following Yucca growing guides: How to grow Yucca thompsoniana and Spine Yucca.
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