nailed it on the head Mondo.
The Venus Flytrap is a Monotypic species, one kind, thats it... Dionea Miscupula (I probably butcherd the spelling here.. but so what... I am tired...
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Any how, it's natural range exists across only a few hundred square miles in total area (I expect) not over thousands and thousands of miles, for instance, why would a plant that lives in a jungle need to go dormant? There is food around every day of the year, but it's relative a thousand miles north or south will expeince winter, where insects become few and far between, and growing flytraps that might get tripped by winter rain, snow fall, or sleet, or damaged by hail, or any number of things that endanger it in the wild, would actually provides a WEAKER PLANT.
Don't you understand that whether you believe in a Creation or an Evolution model that the flytrap is perfectly Created, or Adapted to it's environment, there is no way around that. In The wild, tha plant is AS IT SHOULD Be.
Now, you want to mess with it in cultivation, go AHEAD! By all means! It has already been done, that is how we get red and green dragons, dente, sawtooths, pom poms, and so forth... want one that will never go dormant? Do IT. It will take you half a century probably!
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I will be about 75 I think by the time it is done, if it is ever done... and at an age where as a retiree I can truly enjoy the plant! So Go for it!