• Photo of Yucca glauca (Yucca glaucas)

Plant Profile: Yucca glauca

Taxonomy: Yucca glauca

Names

Beargrass, Great Plains Yucca, Narrowleaf Yucca, Plains Yucca, Small Soapweed, Soapweed Yucca, Spanish Bayonet

  • Photo of Yucca glauca (Yucca glaucas)

Phonetic Spelling:YUK-ah GLAW-kah

Genus:Yucca

Species:glauca

Family:Asparagaceae

Yucca glauca, a tropical plant belonging to the agave family, features a woody stem and long, slender leaves that form rosettes at the tips of its branches. Its appealing foliage makes it a popular choice for gardeners. At the end of each rosette, a prominent flower stalk emerges. This species is indigenous to the southwestern United States and thrives in dry, rocky soils, often found in short grass prairies and desert grasslands. Characterized as decumbent, it has parts that lie flat on the ground while the tips curve upward. Among its relatives, this variety of Yucca is noted for its cold hardiness and suitability for landscaping.

This plant plays a vital role in supporting wildlife, offering food and nesting sites for small mammals, birds, and reptiles. Its flowers are particularly attractive to butterflies and serve as a host for the Yucca Moth, the sole insect capable of pollinating the yucca flower and facilitating fruit development, while also relying on it for sustenance.

The roots of Yucca glauca are utilized to produce soap, as crushed roots create a lather suitable for use as soap or shampoo, which is reflected in its common name, Small Soapweed.

Additionally, the dried leaves can be crafted into baskets, mats, and sandals, while the fibers extracted from the leaves are used to make rope.

Propagation of this plant can be achieved through seeds that have undergone a wintering process, as well as through stem cuttings, rhizomes, and offsets.

Beyond their ornamental value, the leaves serve numerous practical purposes. Dried foliage can be woven into various items, including baskets and mats, and the leaves can also be fashioned into paintbrushes and brooms. When split, they can function as tying materials, and the sharp points of the leaves have even been repurposed as needles.

However, it is important to note that the roots contain saponins, which can be toxic to certain animals. In humans, these compounds are not absorbed and typically pass through the digestive system, with high temperatures, such as those from baking, effectively neutralizing them.

Yucca glauca Feature Summary

Yucca glauca Image Gallery

Tags

#drought tolerant
#wildlife plant
#cpp
#deer resistant
#nighttime garden
#shade intolerance
#pollinator plant
#evergreen shrub
#larval host plant
#native
#dry soils tolerant
#problem for cats
#problem for dogs
#problem for horses

Similar Plants

Yucca glauca Feature Summary

Attributes
Central North America
AR, CO, IA, KS, MO, MT, ND, NE, NM, OK, SD, TX, WY
Attracts butterflies. A larval host for the Yucca Moth. Small mammals, birds and reptiles nest in this plant. It is also a food source.
The fruit, flowers, flower buds, stem and seedpods can be eaten.
Perennial
Seed
Stem Cutting
Root Cutting
Wildlife Food Source
Textural
Wildlife Nesting
Wildlife Cover/Habitat
Attractive Flowers
high flammability
Fruit
The fruit develops into an oblong, woody capsule with flat, glossy black, seeds.
< 1 inch
Flowers
Pendulous, greenish-white bell-shaped flowers appear on 3-4.5 ft.
White
Green
> 6 inches
Leaves
A low cluster of leaves with one or more erect crowns. Sharp pointed leaves, 1-2.5' long. Inrolled margins with white filaments. There is typically one cluster of leaves, occasionally two.
Green
Gray/Silver
White
Other/more complex
Linear
Lanceolate
> 6 inches
Stem
Narrow are rarely branched.
Poisonous to Humans
Dogs, cats: Vomiting; Horses: liver disease, dermatitis
Whole Plant Traits
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)
Good Drainage
Occasionally Dry
Very Dry
3 feet-6 feet
12 inches-3 feet
Coastal
Mountains
Piedmont
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
Loam (Silt)
Shallow Rocky
Landscape
Drought Tolerant Garden
Rock Garden
Butterfly Garden
Pollinator Garden
Nighttime Garden
Native Garden
Accent
Specimen
Drought
Deer
Dry Soil
Patio
Walkways
Naturalized Area
Slope/Bank
Butterflies
Bees
Moths
Reptiles
Problem for Cats
Problem for Dogs
Problem for Horses

Yucca glauca Attributes

Yucca glauca: Country Or Region Of Origin

Central North America

Yucca glauca: Distribution

AR, CO, IA, KS, MO, MT, ND, NE, NM, OK, SD, TX, WY

Yucca glauca: Wildlife Value

Attracts butterflies. A larval host for the Yucca Moth. Small mammals, birds and reptiles nest in this plant. It is also a food source.

Yucca glauca: Edibility

The fruit, flowers, flower buds, stem and seedpods can be eaten.

Yucca glauca: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Yucca glauca: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Yucca glauca: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Yucca glauca: Fire Risk Rating

extreme flammability
high flammability
low flammability
medium flammability

Yucca glauca Fruit

Yucca glauca: Fruit Description

The fruit develops into an oblong, woody capsule with flat, glossy black, seeds.

Yucca glauca: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Yucca glauca: Fruit Color

grass
Black

Yucca glauca: Display/Harvest Time

Fall
Spring
Summer
Winter

Yucca glauca: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Yucca glauca: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Yucca glauca Flowers

Yucca glauca: Flower Description

Pendulous, greenish-white bell-shaped flowers appear on 3-4.5 ft.

Yucca glauca: Flower Color

filter_vintage
Green
filter_vintage
White

Yucca glauca: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Yucca glauca: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Yucca glauca: Flower Bloom Time

Winter
Spring
Summer
Fall

Yucca glauca: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Yucca glauca: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Yucca glauca Leaves

Yucca glauca: Leaf Description

A low cluster of leaves with one or more erect crowns. Sharp pointed leaves, 1-2.5' long. Inrolled margins with white filaments. There is typically one cluster of leaves, occasionally two.

Yucca glauca: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Yucca glauca: Leaf Color

spa
Gray/Silver
spa
Green
spa
White

Yucca glauca: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Yucca glauca: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Yucca glauca: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Yucca glauca: Hairs Present

No
Yes

Yucca glauca: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Yucca glauca: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Yucca glauca Stem

Yucca glauca: Stem Description

Narrow are rarely branched.

Yucca glauca: Stem Is Aromatic

No
Yes

Yucca glauca Poisonous to Humans

Yucca glauca: Poison Symptoms

Dogs, cats: Vomiting; Horses: liver disease, dermatitis

Yucca glauca: Poison Toxic Principle

Saponins

Yucca glauca: Poison Severity

High
Low
Medium

Yucca glauca: Causes Contact Dermatitis

No
Yes

Yucca glauca: Poison Part

Bark
Flowers
Fruits
Leaves
Roots
Sap/Juice
Seeds
Stems

Yucca glauca Whole Plant Traits

Yucca glauca: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Yucca glauca: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Yucca glauca: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Yucca glauca: Growth Rate

Slow
Medium
Rapid

Yucca glauca: Maintenance

Low
Medium
High

Yucca glauca: Texture

Fine
Medium
Coarse

Yucca glauca: Appendage

Prickles
Spines
Tendrils
Thorns

Yucca glauca Cultural Conditions

Yucca glauca: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Yucca glauca: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Yucca glauca: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Yucca glauca: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Yucca glauca: NC Region

Coastal
Mountains
Piedmont

Yucca glauca: USDA Plant Hardiness Zone

thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b

Yucca glauca: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Yucca glauca Landscape

Yucca glauca: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Yucca glauca: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Yucca glauca: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Yucca glauca: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Yucca glauca: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees

Yucca glauca: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy