About how long have they been flowering for? and how cold does it get at night?
-The slight yellowing is usually a N-deficiency
-The purple sometimes comes from colder temperatures

What soil are you using? Nutes?
SmokeMyPiece Reviewed by SmokeMyPiece on . Problem with outdoor potted plant Plant has started flowering, but always a but lol, leaves have some yellow blotches between viens and some fanning leaves getting purple blotches on the ends. I have provided 2 pictures any help would be appreciated. 278251278252 Rating: 5