The love dragon was available around Valentine's Day in 2012.
The most effective way to breed a love dragon is to use a love dragon (lv 10) and a flower dragon (lv 10). The success rate was about the same for both right and left combinations, at about 39%.
The love dragon was available to players level 11 and over. It took 5 hours to breed and another 5 hours to hatch. It could also be purchased for 75 gems in the market. They gave 6,000 experience points upon hatching. The egg was purple with a red heart.
You don't breed a Kairos Dragon in DragonVale. You have to get parts to complete it.
you breed a ice dragon with a mine dragon
You have to breed a plant and a fire dragon.
As of July 2012, there has not been a star dragon in DragonVale.
You have to breed a metal and a water dragon together.
You have to breed a sun and moon dragon together
You have to breed a plasma dragon with a salamander dragon.
Breed the earth dragon with the fire dragon.
To get a Smoke Dragon, breed a fire and air dragon together.
There is no "marsh" dragon in dragonvale but if you are referring to the moss dragon the best way to get it is earth and plant, although you also have a chance to breed the tree dragon.
Breed a Crystal dragon with a Cactus dragon.
Another dragon