don't really think it's ever too early to hang stands. Some people never even take them down. My season starts in about a month, and I just hung a stand last week. I don't havg many, since I use my climber 95% of the time. But I like to hang them anywhere from 5 minutes to one year early.

Anywhere in there you should be okay, as long as you're quiet while putting them in.
peashooter