Yucca gloriosa hybrid

Spanish Dagger, Lord's Candlestick

Yucca gloriosa, or Spanish Dagger, is a hardy, architectural garden plant with spiky, sword-shaped leaves and tall flower spikes bearing creamy white blooms. Ideal for sunny, well-drained locations, it adds a bold, sculptural presence to landscapes.

This batch of plants appears to have hybridised with another species, but we are unable to determine the exact parentage. It has extra-blue leaves that are slightly narrower than the true species.

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Origin: Species native to coastal areas of Southeast USA, hybrid of horticultural origin

Genus: Yucca

Species / Cultivar: gloriosa hybrid

Common Name: Spanish Dagger, Lord's Candlestick

Plant Biography

Yucca gloriosa, native to the southeastern United States, belongs to the Asparagaceae family and has long been admired for its architectural form and drought tolerance. Early explorers and settlers noted its resilience in sandy coastal soils, often planting it as a natural barrier. Its genus, Yucca, has been used historically by Indigenous peoples for its fibres and medicinal properties.

Over time, Yucca gloriosa has become a popular ornamental plant worldwide, valued for its striking foliage, towering flower spikes, and adaptability to various climates.

Soil: Well drained

Soil that does not show much signs of moisture, either visibly or when handled.

Growth Rate: Medium

Expect to see moderate growth during growing season.

Water Requirement: Low

Will grow in a drier position and is unlikely to need regular watering once established.

Maintenance: Low

Minimal skill or input needed beyond the basics, a very independent plant.

Situation: Full Sun

Wants direct, unfiltered sunlight most of the day, such as a south facing position.

Eventual Height: 1.5-2.5m

The plant's ultimate height in typical growing conditions.

Eventual Spread: 1.5-2.5m

The plant's ultimate spread in typical growing conditions.

Hardiness: Hardy

Survives unprotected in an average winter. May need protection in extreme long frosts.

Habit: Evergreen

Always in leaf throughout the year. It won't lose all its leaves at any one time.

Lifecycle: Perennial

This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.

Care & Size Guidance

Yucca gloriosa is a low-maintenance garden plant, ideal for sunny locations with well-drained soil. It typically grows 1.5-2.5 metres tall and wide, forming a striking clump of sword-shaped leaves. Mature plants produce tall flower spikes, reaching up to 2.5 meters, adorned with creamy white blooms in late summer.

This hardy plant thrives in dry, sandy, or rocky soils, making it perfect for coastal or arid gardens. Water sparingly, as overwatering can cause root rot. Yucca gloriosa is frost-tolerant and requires minimal feeding—an occasional dose of balanced fertiliser in spring suffices. Remove dead leaves and spent flower stalks to maintain its tidy appearance. It’s an excellent choice for xeriscaping or as a dramatic focal point in the landscape.