File:Sunset in Saguaro National Park.JPG File:Saguaro-3.jpg
Lesser Long-Nosed Bats
Saguaro Cactus Skelton Carnegiea gigantea - Fruit - saguaro Saguaro Cactus, Cereus giganteus or Carnegiea gigantea and  White - Winged Dove, Zenaida asiatica, Photos. Also Called: Sonora Pigeon.
Carnegiea gigantea - Apex - saguaro Carnegiea gigantea (saguaro) - whole plant - large in flower Carnegiea gigantea - Flower - saguaro
Common Name Saguaro
Latin Name Carnegiea gigantea
Family Cactaceae
Sunset zones / USDA zones 11-13,18-21 / 9-10
Type / Form Cactus / Large
Native Habitat Mojave and Sonoran Deserts between 500 and 3,500 feet
Soil Dry, decomposed granite, clay loam, well drained
Exposure Full sun, extremely cold marginal
Water None to once per month depending on soil, water in late summer
Height X Width To 50 feet
Protective Mechanism Spines
Leaves Reduced to a spine, 2 inches, displayed in vertical rows along the bark ridges, areole clusters of 10-25 spines.
Flowers Attractive, borne on the branch tips in rings, white with a yellow center, 2 inches across, blooming at night during May and June, persisting for less than 24 hours. A cylindrical berry, 2-3 inches, green to red, splitting open when ripe (June and July) to disperse the small (1/10 inch) black seeds; inner lining of the fruit bright red.
Bark / Roots A green, leathery thick skin with prominent vertical ridges; ridges are covered with spine clusters.
Maintenance None
Propagation Seeds
Pests and Diseases Wood peckers
Landscape uses Rock garden, low maintenance, specimen
Garden Suitability Songbird, Butterfly, Ethnobotanical, Sonoran
Nature Value Nesting for songbirds, doves, lizards, trunk houses woodpeckers and flickers, larval plant butterflies and yucca moths, food for birds and bats
Native American Uses Fruit eaten, fermented
Links  
    Article http://www.desertusa.com/july96/du_saguaro.html
    Images and data http://en.wikipedia.org/wiki/Saguaro
    Images and data http://www.nps.gov/sagu/planyourvisit/upload/the%20saguaro%20cactus.pdf
    Images and data http://desertflower.wordpress.com/2009/03/13/carnegiea-gigantea-saguaro/
    Images and data http://www.desertmuseum.org/programs/alamos_succs_cargig.php
    Images and data http://www.nazflora.org/carnegia_gigantea.htm
    Images and data http://www.livingdesert.org/desert_plants_page.html?name=Saguaro
    Images and data http://ag.arizona.edu/pima/gardening/aridplants/Carnegiea_gigantea.html
    Images and data http://www.desert-tropicals.com/Plants/Cactaceae/Carnegiea_gigantea.html
    Images and data http://www.blueplanetbiomes.org/saguaro_cactus.htm
    Images and data http://www.delange.org/Saguaro/Saguaro.htm
    Images and data http://davesgarden.com/guides/pf/go/60113/
    Images and data http://www.plantoftheweek.org/week346.shtml
    Images and data http://www.cas.vanderbilt.edu/bioimages/species/cagi7.htm
    Images and data http://arboretum.arizona.edu/taxa/Carnegiea_gigantea.html
    Images and data http://www.wildflower.org/plants/result.php?id_plant=cagi10
    Images and data http://www.fireflyforest.com/flowers/339/carnegiea-gigantea-saguaro/
    Images and data http://cactiguide.com/cactus/?genus=Carnegiea
    Images and data http://www.tucsonbotanical.org/desertconnections/page-display-2.php?plantid=5
    Images and data http://www.cnr.vt.edu/Dendro/dendrology/syllabus/factsheet.cfm?ID=604
    Data http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?2702,2705,2706
    Data http://www.fs.fed.us/database/feis/plants/cactus/cargig/all.html
    Data http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242412565
    Nursery, images, and data http://www.sbnursery.com/upright.php
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