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.
Yucca glauca at the Lady Bird Johnson Wildflower Center
Yucca glauca on the USDA Forest Service's Fire Effects Information Database
Yucca glauca on New Mexico Enchantment
Yucca glauca on Plants for a Future, a resource and information centre for edible and otherwise useful plants
Yucca glauca on Missouriplants.com
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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5/22/2010 · Garden in the Woods, Framingham, Massachusetts
≈ 31 × 46" (78 × 117 cm)
5/21/2009 · Grand Canyon South Rim, Arizona
≈ 4½ × 3' (1.5 × 1.0 m)
1/19/2021 · Garden in the Woods, Framingham, Massachusetts
Range: Zones 4a-10b:
About this map...