You could try potting in just the lower 1/3 to 1/4 of a tall container, such as:
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*** Edit: well, apparently Wayfair objects to posting a link to their flower pot, hence the "Access Denied". So, I deleted the link ***
The tall container's sides should only allow growths to go up, rather than sideways.
Some Cattleya plants just have a climbing and naturally unruly habit.
Last edited by Orchid Whisperer; 05-28-2018 at 07:45 AM..