Ferocactus cylindraceus(Engelm . ) Orcutt
California Barrel Cactus , Cliff Barrel Cactus , Compass Barrel Cactus , Compass Cactus , Desert Barrel Cactus , Golden - Spine Barrel Cactus , Spiny Barrel Cactus
barrel cactus acanthodes , Echinocactus viridescensvar.cylindraceus

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Family : CactaceaeSubfamily : CactoideaeTribe : CacteaeGenus : Ferocactus
Ferocactus cylindraceusis native to the southwesternUnited Statesand northwesternMexico .
Ferocactus cylindraceusis a cactus with an upright or leaning , global to columnar , usually solitary bow with 18 to 31 rib line with areoles that bear clusters of long spines . The shank can grow up to 10 feet ( 3 m ) tall and 20 inch ( 50 centimeter ) in diam . Each areole bears 12 to 32 milklike , yellow , pinkish , dull bolshie , or dark-brown spine , one slightly to moderately hooked . The radiate pricker are turgid than the central spine .

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The flower are maroon outside and bright yellow deep down , with red or chicken centers on the side that faces the sun . They appear in spring and former summer , hit up to 2.4 inches ( 6 cm ) in length and diam . The sarcoid fruits are yellow or yellowish light-green , covered with scales , and measure up to 2 inches ( 5 cm ) long and 1 column inch ( 2,5 atomic number 96 ) in diameter .
USDA hardiness zones9a to 11b : from 20 ° F ( −6.7 ° C ) to 50 ° F ( +10 ° C ) .
Choose a location that find unmediated sun during all or most of the day . establish your Barrel Cactus in former spring before new roots commence to form . The roots may come out ironical , which is typical before young growth begin . Dig a hole deep enough for the plant ’s roots and remedy it as postulate to providefast - draining soil . A good territory potpourri includes 10 per centum native soil , 45 percent washed sand or pumice stone , and 45 per centum compost .

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Waterthe cactus at the planting prison term to cast anchor it into the soil . piss again only if the weather condition in your area is unseasonably dry and if normal spring or winter rain does n’t hap . Ferocactusneed a inactive period with dry territory during the winter .
memorize more atHow to develop and Care for Ferocactus .
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