File:Ferocactus cylindraceus 1.jpg Ferocactus cylindraceus Ferocactus cylindraceus var. cylindraceus
File:Ferocactus cylindraceus 2.jpg Ferocactus cylindraceus
Common Name Fishhook barrel cactus, California barrel cactus, Miner's compass
Latin Name Ferocactus cylindraceus
Family Cactaceae
Sunset zones / USDA zones 8-24 / 9-10 
Type / Form Cactus / Medium
Native Habitat Mojave and Sonoran Deserts from 1,500 to 5,000 feet
Soil Dry decomposed granite, sand, limestone, low organic content, well drained
Exposure Full sun
Water Once per month until established
Height X Width Maximum 11 X 2 feet, usual 4 feet X 1 foot
Protective Mechanism Sharp spines
Leaves Evergreen
Flowers Yellow flowers in early summer, yellow fruit
Bark / Roots NA
Maintenance None
Propagation Seeds
Pests and Diseases None
Landscape uses Container, rock garden, low maintenance, specimen
Garden Suitability Hummingbird, Pots, Sonoran
Nature Value Flowers used by bees and hummingbirds, fruits eaten by numerous animals
Native American Uses Flowers eaten, poor source of water in emergency, seeds used to make cactus candy
Links  
    Article http://www.livingdesert.org/plants/ca_compass_barrel.asp
    Images and data http://davesgarden.com/pf/go/63231/index.html
    Images and data http://www.desert-tropicals.com/Plants/Cactaceae/Ferocactus_lecontei.html
    Images and data http://en.wikipedia.org/wiki/Ferocactus_cylindraceus
    Images and data http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=3572
    Images and data http://en.wikipedia.org/wiki/Ferocactus_cylindraceus
    Images and data http://swbiodiversity.org/seinet/taxa/index.php?taxon=3015
    Images and data http://www.birdandhike.com/Veg/Species/Cactus/Feroca_cyl/_Fer_cyl.htm
    Images and data http://www.coldcacti.com/product/New-227602568
    Images and data http://www.wildflower.org/plants/result.php?id_plant=FECY
    Images and data http://www.theodorepayne.org/mediawiki/index.php?title=Ferocactus_cylindraceus_var._cylindraceus
    Images and data http://www.california-desert.org/pages/03flora/family/cactaceae/ferocactus.htm
    Data http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242415346
    Data http://sandiego.sierraclub.org/rareplants/097.html
    Data http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?2702,2717,2718,2719
    Distribution and profile http://plants.usda.gov/java/profile?symbol=FECYC
    Nursery, images, and data http://www.cnplx.info/nplx/species?taxon=Ferocactus+cylindraceus
    Nursery Oak Hills Nursery, 13874 Ranchero Road, Oak Hills, 92345, 760-947-6261
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