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Soapweed yucca

Yucca glauca

Also called Soapweed, Gurney's yucca, American Vetch, Yucca, Narrowleaf Yucca, Small Soapweed Yucca, Beargrass

Soapweed yucca
Photo: Nick, CC BY-SA 4.0

Soapweed yucca is a drought-tolerant, cold-hardy evergreen perennial that forms colonies of narrow, sword-like leaves and sends up tall spikes of drooping cream-white flowers in summer. It thrives in full sun and very well-drained soil, and suits xeriscapes and dry gardens.

Family
Asparagaceae (Asparagus family)
Grows as
Perennial
Light
Full sun
Water
Water deeply but infrequently, and let the soil dry out fully between waterings; established plants need little or no extra water.
Soil
Sandy or gritty, very well-drained soil; tolerates poor and alkaline soil.
Temperature
Cold hardy to well below freezing; avoid prolonged waterlogged cold.
How easy
Easy
Safety
Toxic to cats and dogs (ASPCA).
Edible
Yes, some parts
Native range
S. Alberta to N. Texas
Climate
temperate

About

Yucca glauca (syn. Yucca angustifolia) is a species of perennial evergreen plant, adapted to xeric (dry) growth conditions. It is also known as small soapweed, soapweed yucca, Spanish bayonet, and Great Plains yucca.

Yucca glauca forms colonies of rosettes. Leaves are long and narrow, up to 60 cm long but rarely more than 12 mm across. Inflorescence is up to 100 cm tall, sometimes branched sometimes not. Flowers are pendent (drooping, hanging downward), white to very pale green. Fruit is a dry capsule with shiny black seeds.

Where it grows

Yucca glauca is native to central North America: occurring from the Canadian Prairies of Alberta and Saskatchewan in Canada; south through the Great Plains to Texas and New Mexico in the United States.

Uses

Soapweed yucca was a traditional Native American medical plant, used by the Blackfoot, Cheyenne, Lakota, and other tribes.

Other Yucca plants

Aloe yucca · Narrowleaf yucca · Banana yucca · Joshua tree · Adam's needle · Weak-leaf yucca · Giant yucca · Curve-leaf yucca · Moundlily yucca · Mojave yucca · Schott's yucca · Torrey's yucca

Text excerpted from the Wikipedia article Yucca glauca by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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