Every snake grows and sheds at their own pace, so it's probably normal. 4-6 weeks is an average for young BPs, but there are also plenty who fall outside of that range. My juvenile BP sheds every 2 months. Just make sure you are feeding them the correct sized prey (10-15% of their weight, prey as wide as the widest part of the snakes body). Once a snake has reached full size it will also shed less, I have heard of some adults only shedding a few times a year.

Also: