No, You can not improve cannabis in Turks and Caicos since it is taken into account an illicit drug. If your islands do build and legalize a clinical marijuana program, that might alter for people, but this isn't some thing people need to count on. Cannabis is not really legal https://isweedlegalinturksandcaic13345.wikiexpression.com/4013026/the_definitive_guide_to_is_weed_legal_in_turks_and_caicos