Leaves Curling down and into themselves?

[Doctor Herbert]

how long have you had the plant? you said you dont have access to nutrients, but the person who was growing it before you did, and probably over did it/didn't balance the ph?? I also do not have a ph meter but my plants seem to be doing alright, even with feeding them miracle grow tomato food and schultz cactus fertilizer

my hopefully female plants were given to me when they were about a week old. I've vegged them from end of may to July 30th. Now they're up in the flowering area (it's been 2 weeks today). Up until now I've not had any problems. I most likely over ferted because last week I fertilized and they started with this recently. I got some more pics if you'd like to see:

the first 2 pics, are they the sex of the plants? or are they the thingy that becomes leaves?

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Doctor Herbert Reviewed by Doctor Herbert on 08-12-2011. Leaves Curling down and into themselves? Hi guys, me again, the Doc. I've noticed that my plant's leaves are curling down and under themselves. Also I have a couple of leaves that have holes in them, but I don't see any insects, etc. There are also yellowish splotches on some of the leaves as well. It's been a week since I've fertilized the plants. I know that I should have pictures, but my camera's broken, I'll post some tomorrow night. Any clues? Thanks! Your Equipment: .1) Type and wattage of lights. HPS 400 Rating: 5