Remember, leaves often fall off into late flowering aswell. If the leaves start yellowing and dying from the bottom up, then thats fine. If it starts all over the plant though, its probably a deficiency of some kind.
Tom Swierzbinski Reviewed by Tom Swierzbinski on . Yellow Leaf Tips hey all you gurus out there let me pick your brains - I am about four weeks into flowering and on most fronts the plants are fine. Green and healthy, thick stems and good buds. But many of the tips of the leaves - the very very tips - are yellowing. From what Ive read, this could mean two very different things. On the one hand, it could be a K deficiency. On the other hand, it could be over-fertilizing, with excess evaporation drying out the tips. But I am inclined to Rating: 5