The Morton Arboretum @
Yavapai County Native & Naturalized Plants
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Plant Image
Max Licher @
Plant Description

Origin: Introduced
General Description: Deciduous. Thorny shrub or a small tree. Often found growing with cottonwoods. Was planted in North America for its unusual gray leaves.
Identification notes: Small tree with silvery gray narrow leaves often found along streams in the southwest.
Height: 10 to 20 feet     Width: 12 to 20 feet


Habitat Description: Has been introduced to temperate areas of North America. Grows in a variety of soils and can crowd out native species, particularly in moist soils.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Riparian, Disturbed Areas
Elevation: 0 - 4900 feet


Color: Yellow   Shape: Bell-shaped in elongated clusters     Tubular: Y   Flowering Period: May - Jun
Description: Four-petaled flowers have a distinctly sweet smell and are very attractive to bees.


Leaf Color: Grayish-white   Type: Simple   Shape: Narrow   Margin: Smooth   Attachment: Alternate   Hairs: Top and bottom of leaves
Description: Covered with grayish-white hairs. The leaf coloration is the distinguishing mark that led to the plants introduction outside of its normal range.


Color: Gray to yellow   Type: Achene   Description: Olive-like dry fruit is attractive to many species of birds.


Bark Color: Light gray   Bark Texture (Mature): Smooth   Bark and Branch Description: The bark has shallow furrows; thorns are located on the twigs.
Spines, thorns or prickles: Y

  Arizona Cooperative Extension
Yavapai County
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Prescott, AZ 86305
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Last Updated: May 10, 2017  
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