Ziziphus obtusifolia (Graythorn): Thorny Desert Shrub with Blue-Black Fruit

Overview

Graythorn (Ziziphus obtusifolia) is a Southwestern U.S. native shrub with grayish-green leaves and stiff, thorn-tipped branches. Inconspicuous pale yellow-green late spring flowers yield showy pea-sized blue-black fruit that attract birds. Thorny branches provide ideal nesting protection. Low-maintenance, drought-tolerant backdrop for bold succulents.

Growing Conditions

Full sun only. Well-drained soil. Dry to medium moisture. Beware of thorns.

Care and Maintenance

Low maintenance. Infrequent problems. Prune carefully due to thorns.

Landscape Uses

• Desert gardens
• Backdrop for succulents
• Wildlife gardens (birds, nesting)
• Beds and borders
• Security barriers (thorns)

Key Features

• Southwestern U.S. native
• Grayish-green leaves, thorn-tipped branches
• Blue-black bird-attracting fruit
• Thorny nesting sites
• Drought tolerant, low maintenance
• 3-6 feet tall and wide