tie them up....or bend them back straight it wont kill them to bend them a little i bend my plants back straight and then rotate them for the light been doing it for mo. on my plants :)
i'd say bout 6-8 weeks. ......when you see the pistels is when it starting to flower and once you start to see some develoment in bud groth................ go to weedfarmer.com and type in when to harvest