You get a Sakura Dragon by breeding a Tree and Flower Dragon together.
The sakura dragon is best dragon to use for Cherry Road.
To get a Sakura dragon you can either breed tree and flower together or plant and lava together. To get a bloom dragon you breed a storm and plant dragon.
The sakura dragon is a medium purple with a long neck. It has a bit of a female appearance, and has cherry blossoms on its wings and crest.
10 hours but you might have a lava because they take 10 hours too
There is no such thing as a Birthstone Dragon on DragonVale
Sakura
As of July 2012, there has not been a star dragon in DragonVale.
You don't breed a Kairos Dragon in DragonVale. You have to get parts to complete it.
The incubation time for a rainbow dragon in DragonVale is 48 hours.
To date, there is no grass dragon in DragonVale. You may be thinking of the plant dragon. See the related question.
love dragon and panlong dragon
Sonic Dragon and Flower Dragon