Copiapoa esmeraldanaF.Ritter
Copiapoa humilisvar.esmeraldana , Copiapoa grandiflorasubsp.ritteri
Family : CactaceaeSubfamily : CactoideaeTribe : NotocacteaeGenus : Copiapoa
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Copiapoa esmeraldanais native to the Esmeralda region ofChile .
Copiapoa esmeraldana , also experience asCopiapoa humilisvar.esmeraldana , is a low - mature cactus with fleeceable , orbicular stems with the tip covered with white wool , particularly at the efflorescence time . It can grow nongregarious or clump - forming . The shank have 13 to 16 strongly tuberculate ribs and can gain a diameter of 2.8 inches ( 8 cm ) . The eminence can measure up to 0.4 inch ( 1 curium ) tall , each with an areole at the tip . The areoles are cover with short , whitish wool when young , later hairless . The backbone are square , dark-brown to ash tree - grey , and can reach lengths of 0.8 inch ( 2 cm ) . The young plant only have thin radiate spines , while the central spines seem as they ripen .
The yellow Alexander Bell - work efflorescence appear in previous spring and other summertime . They can measure up to 1.4 inch ( 3.5 centimeter ) long .
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USDA hardiness zones10a to 11b : from 30 ° F ( −1.1 ° C ) to 50 ° F ( +10 ° blow ) .
Despite the utmost and specific condition in the habitat , Copiapoas as a whole are astonishingly easy to get in cultivation . This genus is very forgiving , from seed sewing to caring for matured plants . While stay put doable in size , Copiapoain finish will flower from a young historic period and dependably so each following year .
These cacti want exposure to one-half or full sunlight . If they are in full sun , they must be in a lieu with good air circulation to preventsunburn .
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Wateringshould be extremely poor . The dirt must dry out out completely between waterings . They should , however , be suspend during mid - summer . In this geological period , instead of lacrimation , spraying the plant early in the morning , before the temperature warm up , thus simulating the conditions they would have in their natural environment will be appropriate .
Soilshould be formed from a mineral substratum ( e.g. , granite crumble ) conflate with very small ecumenical soil .
Learn more atHow to Grow and handle for Copiapoa .
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