Altho my Potent Purple is a sativa, there are plenty of 'purple' hybrids out there, from a wide variety of sources.
Without having specific strain info or pictures, you've pretty much got all the valid answers anyone can offer.
Rusty Trichome Reviewed by Rusty Trichome on . tops are purple hey guys on a few of my plants,the tops are turning purple along with some fan leaves stems turning purple, or i should say its just a dark ugly color any clue on what it might be Rating: 5