yea leaves get crispy from a lack of n.your ph was low probably locking out nutes also.i would watch for signs of being rootbound on the 3 gallon pots.
mscaboo Reviewed by mscaboo on . Cause of yellowing does any one know if chemical burning is a cause for yellowing of the leaves? i have done a few soil tests and they have come up with bellow average amount of nitrogen, BUT i have been feeing them once every 2 days now. any sugestions? Rating: 5