Alphabetical Plant Listing

Senegalia greggii (Catclaw Acacia)

Gregg Acacia, Gregg's Acacia, Gregg Catclaw Acacia, Gregg's Catclaw Acacia, Gregg Catclaw, Gregg's Catclaw, Texas Catclaw Acacia, Texas Catclaw, Long-flowered Catclaw Acacia, Longflower Catclaw Acacia, Long-flowered Catclaw, Longflower Catclaw, Wait-A-Minute Bush, Catclaw Acacia, Catclaw, Devil's Claw, Uña De Gato, Acacia greggii, Acacia greggii var. arizonica, Acacia greggii var. greggii


Senegalia greggii (Catclaw Acacia) is a long-lived, deciduous, spreading shrub or small tree heavily armed with stout, curved spines, like a cat’s claws, along its branches. Blooming from mid spring to mid fall, a profusion of scented, fluffy, creamy-white flowers borne in 2 in. clusters (5 cm), create a lovely floral display. They attract bees, butterflies and other pollinators. Catclaw Acacia is considered an important honey plant. The flowers are followed by straight to twisted pods, 4 in. long (10 cm), constricted between the seeds. They often persist throughout the winter and are valued by birds and wildlife. The foliage is finely divided with twice-pinnately compound, green to gray-green leaves, 1-2 in. long (2-5 cm). Highly adapted to harsh desert conditions, Catclaw Acacia can be used as a large screen, background, desert accent, barrier, or a small multiple-trunk desert tree if trained and irrigated. Also, a great shrub to provide shelter, protection, and shade to a diversity of desert mammals and birds. Beware of the sharp, claw-like thorns - Keep this plant away from traffic.

  • Grows up to 10-15 ft. tall (300-450 cm) and 15-20 ft. wide (450-600 cm). Ultimate size and vigor will depend on the amount of supplemental irrigation that it receives.
  • Performs best in full sun in rocky, sandy, well-drained soils. Requires little to no irrigation once established. Use supplemental water to encourage fast increases in growth and ultimate plant size. Drought tolerant.
  • No serious pest or disease issues. 
  • Prune only to train as a multiple trunk small tree.
  • Propagate from seed. Transplanting is difficult because of the deep root system.
  • Twigs and foliage are poisonous to animals if eaten.
  • Native to the southwestern United States and northern Mexico, from the extreme south of Utah south through southern Nevada, southeast California, Arizona, New Mexico and western Texas to Baja California, Sinaloa and Nuevo Leon in Mexico.

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Requirements

Hardiness 9 – 10
Climate Zones 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Shrubs, Trees
Plant Family Acacia
Exposure Full Sun
Season of Interest Spring (Mid,Late)
Summer (Early,Mid,Late)
Fall
Height 10' – 15' (3m – 4.5m)
Spread 15' – 20' (4.5m – 6m)
Water Needs Low
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Fragrant, Showy
Native Plants United States, California, Rocky Mountains, Utah, Southwest, Nevada, Arizona, New Mexico, Texas
Attracts Birds, Butterflies
Garden Uses Banks and Slopes, Hedges and Screens
Garden Styles Mediterranean Garden

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Dominic Gentilcore PhD, HollisArt, Jared Quentin, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 9 – 10
Climate Zones 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Shrubs, Trees
Plant Family Acacia
Exposure Full Sun
Season of Interest Spring (Mid,Late)
Summer (Early,Mid,Late)
Fall
Height 10' – 15' (3m – 4.5m)
Spread 15' – 20' (4.5m – 6m)
Water Needs Low
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Fragrant, Showy
Native Plants United States, California, Rocky Mountains, Utah, Southwest, Nevada, Arizona, New Mexico, Texas
Attracts Birds, Butterflies
Garden Uses Banks and Slopes, Hedges and Screens
Garden Styles Mediterranean Garden

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