The possibility of creating a tropical maple is there but the probability is very slim or even unlikely.The subject is centered on this unanswered probe " Is the behavior of a decidous tree controlled by its genectic make-up or is it a response to the changing seasons?" If the former is correct then the quest of a tropical maple is utterly hopeless. However I am somewhat convinced that it is the autumn season that enforces trees to shed leaves; hence I believe I have a fair chance to acclimatize maples to the tropics. I have subjected first year maple seedlings to a tropical enviroment created indoors in a closed chamber under artificial lights. Despite the avoidance of chill, most seedlings still go into hibination/domant state around October/November. However a few of the Palmatum seedlings, especially those that show excellent growth patterns, continue to grow new terminal shoots even as late first week of October . Below is a photo of such a seedling taken yesterday (approachig winter already). The green leaf portion of the plant represents the summer growth whereas the moroon portion grew in early October. There is no apparent signs of the plant going domant and I have a few of her siblings still sprouting new shoots right into mid-November. You will observe that this seedling has accelerated growth as the ruler is 16 inches long. If this plant does not suffer too adversely for the lack of domancy, then I cannot see why it cannot be tropicalized within a span of 4 years. This unexpected growth comes as a surprise as in the other forum most readers laugh and some even ridicule me for trying to experiment. Let's us see who has the last laugh?