Talk:Emerald Dragon/@comment-210.186.96.81-20120522112810/@comment-4775325-20120522113200

Unfortunately they will all be limited to a month. It's right there in the information about the 1.8.0 update on iTunes- "Each month, the DragonVale wizards will release a new, rare dragon based on that month's birthstone that is available only for one calendar month."