Blue Palo Verde Flower
fruit
Blue Palo Verde Bark Blue Palo Verde Thorn Blue palo verde
Common Name Blue palo verde
Latin Name Parkinsonia floridium, previously Cercidium floridum
Family / Origin Fabaceae / Archeological evidence indicates tree arrived in Arizona more than 4,000 years B.P.
Sunset zone / USDA zone 8-14, 18, 20-29 / 8-10
Type / Form Tree / Medium to large size
Native Habitat Washes 500 to 4,000 feet in Sonoran Desert
Soil Dry to moist, decomposed granite, sand, clay loam, low organic content
Exposure Full sun or filtered shade, plant south of wind break or building to protect from cold Santa Ana winds
Water Once per month in clay soil to once a week in sand during hot months
Height X Width / Growth rate Maximum 15 feet X 25 feet, usual 12 feet X 15 feet / Moderate
Protective Mechanism Spines
Leaves Drought and cold deciduous, temporary bi-pinnate, green
Flowers 5 petaled yellow flowers with red or brown pistils bloom two weeks in April, May, or June, fragrant, cold marginal
Bark / Roots Barks scarred and grey brown / Deep roots
Maintenance Low, emits considerable litter but needs it to store ground water, do not prune at above 70 degrees
Propagation Seed
Pests and Diseases Wood borers, witches broom, and mistletoe
Landscape Uses Erosion control, rock garden, low maintenance, background, specimen
Garden Suitability Fragrant, Songbird, Ethnobotanical
Nature Value Flowers attract bees and butterflies, seeds eaten by birds and other wildlife
Native American Uses Beans ground into pinole, drink made from pods with beans
Comments Short lived 20 to 40 years
Links  
    Article http://www.desertusa.com/mag01/aug/papr/palov.html
    Images and data http://www.delange.org/PaloVerdeBlue/PaloVerdeBlue.htm
    Images and data http://www.desert-tropicals.com/Plants/Fabaceae/Cercidium_floridum.html
    Images and data http://en.wikipedia.org/wiki/Cercidium_floridum
    Images and data http://www.naturesongs.com/vvplants/paloverde.html
    Images and data http://ag.arizona.edu/pima/gardening/aridplants/Cercidium_floridum.html
    Images and data http://davesgarden.com/guides/pf/go/97539/
    Images and data http://www.aridzonetrees.com/images/Cut%20sheets/ceflo05.pdf
    Images and data http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=1875
    Images and data http://en.wikipedia.org/wiki/Parkinsonia_florida
    Distribution map http://esp.cr.usgs.gov/data/atlas/little/cercflor.pdf
    Distribution map http://plants.usda.gov/java/profile?symbol=PAFL6
    Nursery, images, and data http://www.laspilitas.com/nature-of-california/plants/cercidium-floridum
    Nursery, images, and data http://www.cnplx.info/nplx/species?taxon=Cercidium+floridum+ssp.+floridum
    Nursery
Oak Hills Nursery, 13874 Ranchero Road, Oak Hills, 92345, 760-947-6261
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