This is endemic to Vietnam....winter is the brightest in its habitat since spring to fall this is blanketed with heavy clouds in the environment....
summer is the monsoon rains that flood this plant....no water for 3 months is really drastic since the morning dew gives it some moisture in its habitat....the coldest that this can tolerate is low 50's and they can have bright direct light to almost burning the leaves in winter but the n again low 50's will not really burn.
So, abiding by the characteristics of its environment=I am a windowsill grower so I give it supplement light in dark winters on the south facing window...I water this every other day in the warmer months and in winter I water it on the sink every 10 days but I spritz it lightly every morning if the bulbs shrivel. But this have plump bulbs to store food so I am not really afraid to give it proper winter rest.
* in conclusion: low 50's temps and bright light in winter and water it every 10 days starting December 15th to Valentines day....and hold the fertilizer.
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