Echinocereus polyacanthusis a variablespecies , and there is muddiness about recognizing infraspecifictaxaor not .
Echinocereus polyacanthus Engelm .
Giant Claret Cup Cactus , Mojave Mound Cactus , Salmon - blossom Hedgehog
In cultivation, Melbourne, Victoria, Australia. Photo by Noelene Tomlinson. Used with permission. All rights reserved.
Cereus polyacanthus , Echinocereus triglochidiatussubsp.polyacanthus , Echinocereus triglochidiatusvar.polyacanthus
Family : CactaceaeSubfamily : CactoideaeTribe : PachycereeaeGenus : Echinocereus
The specific epithet " polyacanthus(pronounced pol - lee - uh - KAN - thus ) " means " take in many spines or thorns ; polyacanthous " and refers to the statistical distribution of the spines on the stems .
In habitat, Riva Palacio, Chihuahua, Mexico. Derivative of a photo byRamón Isaac Miramontes Cinco. Licensed underCC BY-NC 4.0.
The native range ofEchinocereus polyacanthusis from Arizona and New Mexico in theUnited States , in the south through northern and centralMexico(Chihuahua , Coahuila , and Durango ) , and into theBaja California Peninsula .
Echinocereus polyacanthusis a smallcactusthat can growsolitaryor ramify from the nucleotide , often form aclumpof up to 400 stalk in its native habitat . The stems are shiny to dark unripened , upright , and cylindrical and have 9 to 13 well - define rib lined with clusters of stout spines . They can raise up to 12 in ( 30 centimeter ) tall and 0.3 inches ( 7.5 cm ) in diam , tapering toward the tips and bases . Eachareolebears 1 to 7 central and 6 to 17 stellate backbone . The central spines are brown to yellowish - brown , becoming ashy gray or darken as they mature , and can grow up to 2 inches ( 5 cm ) long . The radial rachis are whitish or reddish , often overlapping , and can grow up to 0.8 inches ( 2 centimetre ) long .
During spring , tubular to funnel - shaped bloom appear near stem tips . The flowers can reach a duration of 5.6 in ( 14 cm ) and a diameter of 3.2 in ( 8 centimeter ) . They have ruby , scarlet , pink , or orangetepalswith yellow to white centers . The fruit are egg - shape , green with whitepulpand black seeds , and stay unsympathetic at maturity .
In habitat, La Paz de México, Chihuahua, Mexico. Derivative of a photo byestebandido. Licensed underCC BY-NC 4.0.
spark : Although it can tolerate partial shade , Echinocereus polyacanthusthrives in full sun . If spring up indoors , place it in a sunny window and turn out the pot a quarter turning every workweek or two to ensure balanced maturation . If possible , move the plant outdoors from spring to fall .
Soil : Good drain is essential for the health of this cactus , as it does not care to have " plastered feet . " Use commercial-grade soil mixes for cacti ormake your own well - draining soil .
Hardiness : Echinocereus polyacanthusprefers warm temperature during its develop season and cool temperatures during winter when it is dormant . It grow unspoilt inUSDA Plant Hardiness Zones9b to 11b , with average minimum winter temperatures ramble from 25 to 50 ° F ( -3.9 to 10 ° ascorbic acid ) .
In cultivation, Melbourne, Victoria, Australia. Photo by Santino Rischitelli. Used with permission. All rights reserved.
Watering : Waterthoroughly from give to fall , allow the soil to dry out out between waterings . bit by bit reduce the watering oftenness in the fall . When it is dormant in wintertime , piddle the plant only enough to prevent shrinkage .
fecundate : For optimal growth , use water - soluble fertiliser thin out to 1/4 strength , ideally a balanced 10 - 10 - 10 formula . Do notfertilizein the wintertime .
Repotting : When young , repotEchinocereus polyacanthuseach year in early bound . Once mature , repot it only when it outgrow its pot .
extension : This cactus can be propagate either by offset printing or seed . The just time to bump off offset is spring and summer , while late spring and other summer are ideal for sowing seed .
instruct more atHow to uprise and like for Echinocereus .
Echinocereus polyacanthusis think non - toxic to humanity and animals .
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