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Yucca rostrata, commonly called the Beaked Yucca, is one of the most sought-after and cold-hardy architectural yuccas, native to the Chihuahuan Desert of Texas and northern Mexico. It forms a single, sturdy trunk topped with a dense, symmetrical crown of narrow, bluish-grey leaves that radiate in all directions like a pom-pom of spiky elegance.
Each leaf is finely toothed and tipped with a sharp point, giving the plant its characteristic form while offering excellent structure for modern or Mediterranean-style gardens. As it matures, the trunk can reach heights of 1.5 to 3 metres, but it grows slowly, making it equally suitable for containers, borders, or as a dramatic focal point.
In summer, mature plants may produce tall, upright flower spikes with creamy white blossoms attractive to pollinators and adding seasonal flair. Yucca rostrata is exceptionally drought-tolerant, low-maintenance, and resilient to wind, frost, and heat, making it a top choice for year-round outdoor interest in the UK.
Thrives in full sun the more light it receives, the better its compact form and leaf colour.
Ideal for south- or west-facing spots, either planted in the ground or in a large container.
Indoors: must be in a sunny conservatory or bright atrium to thrive long term.
Requires very little water once established.
Water sparingly typically every 23 weeks in spring and summer.
In winter, reduce to once every 46 weeks or less.
Always allow the soil to dry out completely between waterings to avoid root rot.
If in a container, ensure perfect drainage do not let it sit in water.
Adapted to arid climates no extra humidity needed.
Does well in the dry air of UK homes or outdoor conditions.
One of the most cold-tolerant yuccas: hardy down to -15C or lower when mature and planted in well-drained soil.
In wet or poorly drained areas, protect the crown from winter wet (e.g., use a rain shelter or fleece hood).
For pots, consider moving to a sheltered position in harsh winters, though protection is often unnecessary.
Requires sharp-draining soil sandy, gritty mixes are ideal.
In the ground: amend soil with horticultural grit or sand if needed.
In containers: use a cactus and succulent mix or make your own blend (equal parts compost, coarse sand, and perlite or grit).
Very light feeders.
Apply a balanced cactus fertiliser or slow-release feed once in spring.
Do not overfeed excess nutrients may lead to soft, leggy growth.
Minimal care required.
Remove dead or damaged lower leaves as they die back, but leave the skirt (dried leaf collar) if you prefer a natural look.
Wear gloves leaves are tough and have sharp edges.
Repot every 35 years or when rootbound.
Use a deep, heavy pot with excellent drainage holes.
Best repotted in spring before the growing season starts.
Very resistant to pests and disease.
Rarely affected, but in very humid or wet conditions, watch for:
Crown rot (prevent by keeping the top dry in winter),
Occasional scale or mealybugs in indoor specimens.
Mildly toxic to pets and humans if ingested (saponins).
The leaf tips are sharp take care when handling or positioning near walkways.
Position in full sun and avoid overwatering these are the two golden rules.
Looks stunning in gravel gardens, raised beds, or modern containers.
Combine with other dry garden plants like Agave, Dasylirion, or Euphorbia for a sculptural, low-maintenance display.