Cut it to the ground in October of so. This will minimize OE problem.
From what I have heard from many folks, ALL species of MW made it thru winter in most of Texas. So much for the Tropical naysayers.
To get some better understanding and insight WRT Tropical, find articles by the President of the NABA - he is a scientist and counters much of the mis-information out there regarding Tropical MW. Sorry - I have no links. I need to bookmark them.