Ferocactus viridescens(Torr . & A. Gray ) Britton & Rose
Coast Barrel Cactus , San Diego Barrel Cactus , Green - Stem Viznaga , Keg Cactus , Small Barrel Cactus
Echinocactus viridescens
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Family : CactaceaeSubfamily : CactoideaeTribe : CacteaeGenus : Ferocactus
Ferocactus viridescensis native to the southernUnited States(California ) andMexico(northern Baja California ) .
Ferocactus viridescensis a cactus with a solitary , undimmed gullible , depressed - spheric to cylindrical stem with 13 to 34 rib shallowly notch immediately above each areole and hatch in arrays of long acantha . The stem is up to 14 inches ( 35 cm ) marvellous and 18 inches ( 45 cm ) in diam , usually broad than tall . Each areole bears 4 key and 10 to 20 radiate spines , all pink or yellowish . The central spines are straight or slimly curve , narrowly elliptic in cross - section , and up to 2 inches ( 5 cm ) long . stellate spines are irregularly spreading and up to 0.8 inches ( 2 cm ) long .
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The flowers are greenish - yellow , sometimes with ruby-red - brownish mid bar , and look in spring and former summertime . They are funnel - form , up to 2 column inch ( 5 cm ) long , and up to 2.4 column inch ( 6 cm ) in diameter . Fruits are drum - shaped , bright yellow , rarely ruby-red , up to 1.4 inch ( 3.5 cm ) long , and 1 inch ( 2.5 cm ) in diam .
USDA hardiness zones9b to 11b : from 25 ° F ( −3.9 ° C ) to 50 ° F ( +10 ° C ) .
Choose a location that receive unmediated sun during all or most of the day . Plant your Barrel Cactus in other spring before unexampled source get down to form . The tooth root may seem ironical , which is typical before new growth start . compass a hole late enough for the plant ’s roots and rectify it as demand to providefast - draining soil . A good soil mixture includes 10 pct native soil , 45 percentage washed sand or pumice , and 45 per centum compost .
Photo via sci.sdsu.edu
Waterthe cactus at the planting clock time to cast anchor it into the stain . urine again only if the weather condition in your region is unseasonably dry and if normal spring or winter rain does n’t occur . Ferocactusneed a dormant point with dry filth during the winter .
Learn more atHow to Grow and give care for Ferocactus .
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