Rebutia arenaceais a recipient of the prestigiousAward of Garden Meritof the UK ’s Royal Horticultural Society .

Rebutia arenaceaCárdenas

sandy Crown Cactus

Rebutia arenacea

In cultivation, Nagastenna, Kandy, Sri Lanka. Photo by Cactus Sri Lanka. Used with permission. All rights reserved.

Sulcorebutia arenacea , Weingartia arenacea

kinsfolk : CactaceaeSubfamily : CactoideaeTribe : TrichocereeaeGenus : Rebutia

The specific name " arenacea " ( pronounced ah - RENY - see - uh ) imply " sandy " and refers to the show of the spines of this species .

A clump of Rebutia arenacea

In cultivation, Iligan City, Philippines. Photo by G-Shawn Ar Rhmn. Used with permission. All rights reserved.

Rebutia arenaceais native to centralBolivia . It occurs in the Department of Cochabamba at elevations that lay out from 6,560 to 11,150 invertebrate foot ( 2,000 to 3,400 m ) .

Rebutia arenacea , also cognize asSulcorebutia arenaceaorWeingartia arenacea , is a smallcactuswith a globular , usuallysolitarystem with about 30 spiral , stronglytuberculateribs . The stem is cover in tinypectinatespines that lie down 2-dimensional against it , giving it a sandy appearance . It can grow up to 1.6 inch ( 4 atomic number 96 ) magniloquent and 2.4 inches ( 6 atomic number 96 ) in diameter and produceoffsetsafter hit a certain sizing and years . The color of the stem range from yellowish and greenish to brownish and purple . Theareolesare creamy - grey and elongated , each bearing 14 to 16 spines that can be milklike , yellowish , gold , or tan . The spines can value up to 0.15 column inch ( 0.4 curium ) long .

From late winter to spring , Rebutia arenaceaproduces a profusion of yellow to yellow - Orange River flowers that can get hold of a diameter of inches ( 3 cm ) . The reddish - browned fruit can develop up to 0.3 inches ( 0.8 cm ) in diam .

Rebutia arenacea

In cultivation, Madrid, Spain. Photo by Emilio Martínez. Used with permission. All rights reserved.

Light : While it grows well in direct sunlight , Rebutia arenaceaprefers partial shade during noonday in the summertime . A cheery windowpane would be idealistic if   you are growing the cactus indoors .

Soil : secure drainage is essential for a healthy plant . you’re able to use a commercial soil mix for cacti ormake your own .

Temperature : As a mountain plant , this cactus does not apprise high temperature and spring up best inUSDA Plant Hardiness Zones9b to 11b , with middling minimum winter temperature set out from 25 to 50 ° F ( -3.9 to 10 ° C ) .

Flower and buds of Rebutia arenacea

In cultivation, Nagastenna, Kandy, Sri Lanka. Photo by Cactus Sri Lanka. Used with permission. All rights reserved.

Watering : During the uprise season , waterRebutia arenaceafrequently , but allow the grime to dry out out totally before watering again . However , stop watering when it goes torpid in the wintertime .

Fertilizing : Although unnecessary , using a low - balanced soluble plant food diluted to half the advocate strength can help your cactus thrive .   However , debar the eating in wintertime .

Repotting : consider repot a young plant each yr in early bounce . On the other manus , a fledged plant only want to be repot when it outgrows its pot . previous wintertime or former bounce is the undecomposed time for repotting .

Propagation : you may propagateRebutia arenaceaby offsets or seeds . take the offsets when the plant is actively growing and sow the cum in the leap .

See more atHow to Grow and handle for Rebutia .

Rebutia arenaceahas no toxic effects reported .

come home on a pic to see a gravid variation .

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