You have to do things that gain experience points.
The dragons in DragonVale are not trainable. You only feed them to level them up and breed them.
Finish goals and hatch eggs
it enables you to level up your dragons past level 10 i think
you have to get the dragon shrines, then you have to level up 50 dragons of that sort to level ten.
As you level up, you will be able to level up your dragons more. You simply need to grow treats and feed them.
get xp
You have to be at level 15.
Level 14!
Level 11
You only get a certain amount of habitats to make. Once you meet the limit of your level, the habitats in the market are locked.
You unlock it at level 14.
You unlock it at level 11.