Form: A succulent treated as a shrub.
Leaf retention: Evergreen.
Growth rate: Slow to moderate depending upon water and temperature.
Mature Size: The flower stalks can grow to 6' high. The narrow leaves at the base usually cover
an area 2' high and 3' wide.
Flowers: Reddish tubular flowers, with yellow throats, sprout from narrow spikes on pink stalks.
Some cultivars have yellow flowers.
Bloom: Mid-spring to fall.
Fruit: A round seed capsule containing flat, black seeds.
Leaves: Long, narrow, blue-green, arching, stiff blades grow from a central base.
White fraying fibers line the leaf margins.
Stems: No thorns or spines.
Wildlife: The flowers attract hummingbirds and foraging deer. The leaves are resistant to deer
but not javelina.
Toxic / Danger: The leaves and fruit contain saponins which are poisonous.
Origin: Native to Texas and northern Mexico.
Cultivation and Uses
USDA hardiness zones: 5-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Water once established: Once a month during drought.
Soil: Very well drained, pH 5.1-9.0 (highly acidic to highly alkaline).
Prune: Remove old flower stalks as needed. Never cut the leaves.
Propagation: Seed or root division. The plant may eventually develop offsets, or
pups, that can be removed carefully for transplant.
Now recognized as a member of the Asparagus family (Asparagaceae), it was formerly classified
in the discontinued Century Plant family. It is not a true yucca, although distantly related.
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Latest update: July, 2021.