Those [plants are looking very similar to ones I have grown. I am not a expert but I did read in the plant charts that solid purpal stems can indicate P and K problems.

kd
kdspecial Reviewed by kdspecial on . New Leaves turning - Help ASAP - (Pictures included) I just want to get some advice on this plant before it gets any worse. I started to LST it this week and it's really beginning to fill in. But a few leaves are looking like this, let me know what to do (see pictures): Rating: 5