There are around 2,000 metal money of cacti ( Cactaceaespp . ) , many of which produce beautiful , delicate blooms in a range of colors . The majority of cacti specie are native to the Americas .
While most cactus types are associated with the desert , not all bloom cacti species develop in arid climates ; in fact , some of the most popular cacti are native to the rainforest .
Prickly Pear Cactus
There are about 100 species of prickly pear cacti ( Opuntiaspp . ) , which have paddle - corresponding stem segment that grow one on top of the other . Both the yield and the pads of this specie are eatable .
The color of bristled pear cactus blossom motley by specie and cultivar . For example , the species golden prickly Pyrus communis ( Opuntia aurea , zones 5 to 9 ) gets its name from its yellow flowers . However , the Coombe ’s Winter Glow cultivar of this metal money has Battle of Magenta - colorize peak .
Star Cacti
If you are look for a spineless cactus to grow indoors , moot one of the whiz cacti ( Astrophytumspp . ) , such as bishop ’s hat ( Astrophytum myriostigma , zona 7 ) , which produces creamy white or pale lily-livered blooms that are funnel - shaped and fragrant . mature this species requires patience , since it can take six years for a virtuoso cactus industrial plant to blossom .
Pincushion Cacti
There are around 200 species and cultivars of pincushion cacti ( Mammillariaspp . ) , which are popular as houseplants thanks to their modest sizing . Most are densely covered in thorn that are often white in color .
Many pincushion cacti produce flowers in tone of garden pink and purple . The roseate pincushion cactus ( Mammillaria zeilmanniana , zone 9 to 11 ) , for model , usually has a elevation under 6 inches and get reddish - purple blooms .
Holiday Flowering Cacti
sealed epiphytic species of cactus — epiphytic means they grow attached to trees instead of grime on the earth — are know as holiday cacti . These species are aboriginal to the rain forest of Brazil and can be kept as houseplants outside of their hardiness range .
Unlike arid type of cacti , these tropic cacti do not have thorns , and their flattened stems have a leaf-like show . They require much more humidity than desert cacti species .
Christmas Cacti
The true Christmas cactus ( Schlumbergera × buckleyi , geographical zone 10 to 12 ) beget its name because it blossom around Christmas . The prime are acquire at the end of stems and droop downward . The species often marketed as " Christmas cactus , " however , is the Thanksgiving cactus ( Schlumbergera truncata , zones 10 to 12 ) , also have it off as pubic louse cactus , which has upright flowers .
Thanksgiving cactus cultivars with violent , violet , orangish and white flowers are available . The rosiness will last for seven to eight weeks if you keep these plants at a temperature of 68 ° F , aver theClemson Cooperative Extension .
Easter Cactus
The Easter cactus ( Rhipsalidopsis gaertneri , zones 10 to 12 ) has a similar show to true Christmas and Thanksgiving cacti , though it is in a different genus . As its name suggests , it flower in the springtime .
The Easter cactus has tolerant , funnel - shape red flowers that grow from both the terminal ends of root and from marijuana cigarette between stems . It is usually dormant from December to March .
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