1 month- 6 months old- can shed every 3-5 weeks, give or take, and will do a full body shed.
6 months- 1 yr- every 3-8 weeks, depending on the chameleon. can do a full body shed, and as they mature they will begin to slow down with shedding. they may also not do a full body shed.
6 months and up- every month to every other month.
as they grow older, they may only shed one body part at a time. such as a foot, then their tail, then their head. etc. etc.