Leaves Curling

badja

Active Member
Quick info, growing 20 santa maria , in a space bout 5ft by 7ft , started growing from babies, not from seeds, currently using 2 hps 400's i think, got a rather large extrator couple of fans for ventilation, using bout 10 inch wide pots , that are about 10 inch deep, im about 3 weeks into the grow now , all plants looking healthy all around 7 inch high , im feeding them daily now 10 litres of water for the 20 fopr which i mix with 45ml of canna coco b and 45ml canna coco a, plants still on 18 hour cycle.

now for the problem if it actually is one, on around half the plants a few of the leaves on each have started curling upwards and over. some actually near enough completely rolled inward on both sides if you get the picture. iv had a feel dont realy feel too dry, read other threads but all refer to things like this happening during the flowering period which i assume is the budding process. all help welcome.
 
I'm not a 100% on this but I recall seeing somewhere that leaves curling up was heat stress. I'de try raising your lights for a few days and see if it helps...
 
i am having this same problem with the very first 2 leafs that formed on the plant but all new growth seems to be fine right now i would also like to know what this could be i raised my light and it hasnt done much to correct the problem.
 
well asfar as i know the only other problems accosiated with the leaves curling up is over feeding or something to do with lack of magnesium in your mix, but thats only at the budding stage.
 
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