My S.A.D has had deficiency symptoms on the lower branches and leaves for a week, doesn't look like a lack of nitrogen, has to be something else. Maybe the drought? Couldn't water for a week because I was on vacation and it was very hot every day
It looks like something has been eating them use a jewellers loope check the underneath of the leaves for tiny creatures so u will need a jewellers loope
Get to them have a good look π