Looks like the very earliest signs of a Mg or possibly Fe deficiency.
What is your soil runoff pH, what fert are you using, how good is your soil/.pot drainage, and how often do you water?
Just pics aren't enough to do a proper troubleshoot. That's why there is a form at the top of the section to fill out....
stinkyattic Reviewed by stinkyattic on . yellowing/fading on the ends of leaves. i've been growing my plant for about 5 weeks now. i know its not a nitrogen deficiency, because all of my new growth is green. here are some pictures. should i even be worried about this? Rating: 5