Sometimes neem oil sometimes seems to fuck up the leaves on my indoor ganja, as a foliar spray.
either too strong or not emulsified enough...neem is effective in quite small doses when sprayed. it gives my leaves a nice shiny gloss mixed with a little seaweed and the plants love it..
but since using neem as a drench i rarely spray it these days...bugs just seem to avoid my plants...seen bugs hop on then hop straight off again...