Instead of annual contribution limits, 529 savings plans have overall contribution limits that are determined by each state. (aaii.com)
In the past, you could either make annual contributions of a maximum of $ 5,500 (for 2014 & 2015) or $ 6,500 if over age 50. (financialducksinarow.com)
The maximum annual contribution limit is $ 5,500 if you're under 55. (ihmvcu.org)