Yucca glauca Nutt.
Narrow-leaved yucca, soapweed yucca, beargrass, soapweed
|Kingdom||Plantae||Plants, but not fungi, lichens, or algae|
|Subkingdom||Tracheobionta||Vascular plants—plants with a “circulatory system” for delivering water and nutrients|
|Division||Magnoliophyta||Flowering plants, also known as angiosperms|
|Class||Liliopsida||Monocots (plants with a single seed leaf); includes the lily family|
|Subclass||Liliidae||Includes lilies, orchids, and many others|
|Order||Asparagales||A diverse group that includes asparagus|
|Family||Asparagaceae||Agaves, asparagus, hyacinths, and others|
|Genus||Yucca||Linnaeus mistakenly derived the genus name from the Carib word for (similar-appearing) cassava, yuca|
|Species||glauca||Latin for “blue-gray”|
About plant names...
Soapweed yucca is a native of North America.
Identification: Plants are up to 3' (1 m) high × 4' (1.2 m) wide.
The leaves are pale green, stiff, and sword-shaped, 8-40" (20-101 cm) long and up to ⅛-⅜" (6-12 mm) wide.
15-50 bell-shaped flowers, greenish-white, with six petals, hang from a stalk 12-80" (30-203 cm) tall.
The seeds are in cylindrical capsules up 1-1¾" (3-4.5 cm) long.
See the Yucca page for a comparison with other yuccas.
The Lady Bird Johnson Wildflower Center
The USDA Forest Service's Fire Effects Information Database
New Mexico Enchantment
Plants for a Future, a resource and information centre for edible and otherwise useful plants
Irish, Mary & Irish, Gary, Agaves, Yuccas and Related Plants: A Gardener’s Guide, Timber Press, 2000, p. 252
Yucca glauca description by Thomas H. Kent, last updated 25 May 2020.
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7/29/2023 · Garden in the Woods, Framingham, Massachusetts
5/21/2009 · Grand Canyon South Rim, Arizona
≈ 4½ × 3' (1.5 × 1.0 m)
5/22/2010 · Garden in the Woods, Framingham, Massachusetts
≈ 3½ × 2½' (1.2 × 0.8 m)
Range: Zones 4a-10b:
About this map...