catclaw acacia image
File:Acacia greggii thorns.jpg
Acacia greggii Acacia greggii Acacia greggii
Common Name Catclaw acacia
Latin Name Acacia greggii
Family Fabaceae
Sunset zones / USDA zones 10-13 / 7-11
Type / Form Tree / Small
Native Habitat Southwestern deserts at 300 too 4,600 feet
Soil Dry decomposed granite, sand, limestone, clay loam, low organic content, well drained
Water None to once per month depending on soil
Exposure Full sun
Height X Width Maximum 25 feet X 15 feet, usual 15 feet X 10 feet
Protective Mechanism Thorns
Leaves Alternate, bipinnately compound, 1 to 2 inches long, with 1 to 3 pairs of major leaflets, 4 to 6 pairs of minor leaflets (1/4 inch long), dull green.
Flowers Monoecious; pale yellow in tight elongated, showy clusters, 2 to 3 inches long, fragrant, appearing in spring and early summer. Fruit a 3 to 6 inch long, 1/2 inch wide, flattened, very twisted legume, brown, maturing in mid to late summer.
Bark / Roots Gray-brown, becoming heavily fissured and furrowed with age. Twigs slender, brown, angled, with numerous stout backward curving spines (1/4 inch); buds sunken in leaf scar. /
Maintenance Some litter
Propagation Seeds that need to be scarified and soaked in water
Pests and diseases None
Landscape uses Erosion control, rock garden, barrier, foliage accent, specimen
Garden Suitability Songbird, Butterfly, Ethnobotanical
Ornamental Value Yellow flowers in spring, grey deciduous foliage, fragrant
Nature Value Browed by wildlife, flowers used by butterflies and bees
Native American Uses Dried pods and seeds ground into flour for mush or cakes.  Branches used for baskets.  Medicinal.
Links  
    Images, and data http://cals.arizona.edu/pima/gardening/aridplants/Acacia_greggii.html
    Images, and data http://www.cas.vanderbilt.edu/bioimages/species/acgr.htm
    Images, and data http://ag.arizona.edu/pima/gardening/aridplants/Acacia_greggii.html
    Images, and data http://www.plantoftheweek.org/week368.shtml
    Images, and data http://desert-tropicals.com/Plants/Fabaceae/Acacia_greggii.html
    Images, and data http://www.wildflower.org/plants/result.php?id_plant=ACGRW
    Images, and data http://jan.ucc.nau.edu/~plants-c/bio414/species%20pages/Acacia%20greggii.htm
    Images, and data http://www.mswn.com/Plant%20Info%20Sheets/Acacia%20greggii.pdf
    Images, and data http://www.delange.org/AcaciaCatClaw/AcaciaCatClaw.htm
    Images, and data http://www.fireflyforest.com/flowers/64/acacia-greggii-catclaw-acacia/
    Images, and data http://www.nazflora.org/Acacia_greggii.htm
    Images, and data http://www.theodorepayne.org/mediawiki/index.php?title=Acacia_greggii
    Images, and data http://www.fw.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=476
    Images, and data http://davesgarden.com/guides/pf/go/77170/
    Images, and data http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=33
    Images, and data http://en.wikipedia.org/wiki/Acacia_greggii
    Images, and data http://www.fs.fed.us/database/feis/plants/shrub/acagre/all.html
    Images and data http://medplant.nmsu.edu/acacia2.html
    Images and data http://www.naturesongs.com/vvplants/catclaw.html
    Image http://allergy.peds.arizona.edu/southwest/trees_shrubs/catclaw2.htm
    Distribution map http://plants.usda.gov/java/profile?symbol=ACGR
    Nursery, images and data http://www.laspilitas.com/plants/9.htm
    Nursery Oak Hills Nursery, 13874 Ranchero Road, Oak Hills, 92345, 760-947-6261
Notes: High Pollinator
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