ive got 2 blue-cheese plants but most of the big fan leaves have gone crispy and yellow and fulling off and now nearly all my leaves r doin the same reason for this?
What phase are your plants in? Any pics? If they are in Veg, I'd say you're lacking N in your feeding. If late into flowering, then it's fairly normal as the plant finishes off and its using all its energy to deveiop its bud.