Photo by Melody

PlantFiles: Catclaw Acacia, Gregg Acacia, Gregg Catclaw, Devils-Claw, Uno de Gato
Acacia greggii

Family: Mimosaceae
Genus: Acacia (a-KAY-see-uh) (Info)
Species: greggii (GREG-ee-eye) (Info)

Synonym:Senegalia greggii

One vendor has this plant for sale.

3 members have or want this plant for trade.


10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Pale Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow after last frost
Scarify seed before sowing

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By htop
Thumbnail #1 of Acacia greggii by htop

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By Xenomorf
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By Xenomorf
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By Xenomorf
Thumbnail #7 of Acacia greggii by Xenomorf

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No positives
2 neutrals
1 negative

Gardeners' Notes:

Negative uglysteve On Nov 9, 2009, uglysteve from Apache Junction, AZ wrote:

Nasty, very sharp curved thorns. Brush up against it and get cut. That's why I gave it a negative. Don't plant in high traffic areas.

Wild in my yard, no watering needed. Can survive very hot environments. Grows in wash.
Looks a lot like Ironwood, but flowers and seed pods are different.

Neutral htop On Feb 12, 2007, htop from San Antonio, TX (Zone 8b) wrote:

Also known as ua de gato, gatuo and tesota.

Neutral frostweed On Aug 23, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Acacia greggii is Native to Texas and other States.


This plant has been said to grow in the following regions:

Apache Junction, Arizona
Phoenix, Arizona
Tucson, Arizona
Pipe Creek, Texas
San Antonio, Texas

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