Doe's any1 know what these purple veins r going up the stem on some of my plant's??? ???

Thank's for any reply's.

PEACE TO ALL!
CO DE Reviewed by CO DE on . Purple veins on stem??? Doe's any1 know what these purple veins r going up the stem on some of my plant's??? :confused: ??? Thank's for any reply's. :) PEACE TO ALL! :cool: Rating: 5