Cereus insularisHemsl .
Cereus ridleii , Monvillea insularis
household : CactaceaeSubfamily : CactoideaeTribe : CereeaeGenus : Cereus
Photo byCarlos Otávio Gussoni
The specific epithet " insularis(in - soo - LAIR - is ) " think of " of or pertaining to an island , insular " and touch on to the location of the eccentric specimen .
Cereus insularisis native toBrazil(Pernambuco ) .
Cereus insularisis a cactus with erect or trailing stems with 6 to 8 square ribs and grey-headed areoles , each with a cluster of 12 to 15 brown - yellow or grayish - brown acantha . The stems are gullible and up to 1 in ( 2.5 cm ) in diameter . spine are up to 0.5 inches ( 1.3 cm ) long .
The nocturnal flowers are yellow , measuring up to 6 inch ( 15 centimeter ) long , and appear in summertime .
illumination : Cereuscacti like full sun . They can handle partial subtlety but thrive during the summer in direct sun . cheery S , east , or west window is a ripe spot to grow aCereusindoors .
Soil : These cacti do not like to have " slopped feet " and ask to be grow in well - draining soil . Use commercial dirt shuffle for cacti and succulents , ormake your own potting mix .
Hardiness : Cereus insulariscan withstand temperatures as low as 20 to 50 ° F ( -6.7 to 10 ° C),USDA hardiness zones9a to 11b .
tearing : During the active growth period , waterthoroughly from fountain to fall , but allow the land to dry out out before watering again . With the comer of fall , step by step reduce the lachrymation absolute frequency .
fertilise : During their growing season , Cereuscacti like steady fertilizing . A balanced , water supply - soluble fertiliser , diluted to 1/4 long suit , can be added to each watering . Do not feed during the wintertime .
Repotting : WhileCereuscacti are unseasoned , it is recommend that they be repotted each year in early spring to supply them with wise dirt , scrutinize the base system , and move them to larger pots if necessary .
extension : Using stem cuttings is the easiest method acting to propagateCereusbecause seed multiplication is a dumb process .
discover more atHow to Grow and like for Cereus .
Cereuscacti are non - toxic to humans or beast .
tap a exposure to see a larger interlingual rendition .
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