Quote Originally Posted by WashougalWonder
Got one of them and unable to get more than a flower show, will not bud, just keeps getting bigger and bigger and bigger...................Would totally screw up the rest of the garden to mess around with a real gradual change to accomodate that plant. Not sure what to do with it at this point, just keeping it cloned until I have a new idea or can figure out a special space and light for just that plant. I want some real Thai so very badly.
48 solid hour of darkness should throw the Thai strain right into bloom.

Dad used to grow tons of it out in Bangkok when he was attending ISB. He says the trick is sharp light cutoff to force a build-up of the flowering hormone and then leave it on a 10/14 on/off schedule.