leaves curling up inward?

one of my outdoor clones leaves are curling up inward just like one would if one the 12/12 started budding and changed back to veg. cycle i know this has not happend because its been out side since the 1st of may fer. the same as the others and was doing great bushy andalmost to 5 feet now growth has seemed to stop also any sugg.?

the leaves also seen to be stretching if that makes sense

prolly overwatering