My friend said blazing and crystal, and i have seen many answers online. I would suggest
going on goofle and go to a forum and check out what other people think!

Breed an ice dragon and a blazing dragon = rainbow dragon

You breed a firefly and a seaweed.:)

Tried Blazing and Crystal Dragon already. It doesn't work...

It's truly random on what gets a Rainbow Dragon, but the chances are raised if you breed
two level 10 dragons, have a Rainbow Habitat, or put as many basiv types into the breed.
-Gbas

you can also use your jailbroken idevice. go to the i's and enable iap cracker in cydia.
then go into dragonvale and "buy" a buttload of gems. You can also do this with coins and
treats. If you send a request to reelkid71, a will accept and you can see my place...

If you try lava and seaweed you will get one but you need to try alot because it is very
rare i have tried this but got i had to use the epic breeding island

Thunder dragon + cold = rainbow dragon + phoenix the best dragons on the game if i dont
work add me my name is bayley 40 thanks

I used fog & lava to get rainbow but also already had habitat. Also scortch & flower got
love dragon- very cute! Question? Game called for 50 gems to upgrade hybernation cave,
game took my ( purchased ) gems ,didnt upgrade and kept gems! Anyone else had this
problem?

Dragonvale hack www.allgamesdownload.org/dragonvale-hack/

The most easy way, is get breeds of grass or earth and breed with lightning. Read: get a
lightning breed for each breed if u fail or want more.

Try ice and blazing best try have a jailbroken ipod add me an send me 5 gems 4 5 days and
get 5000 gems my name is jonis870

Dragonvale cheat – hack – trainer here :
http://newhacksdownloads.in/dragonvale-cheat-hack-trainer

Buy one or if you dont have enough gems jailbreak or its very random 2.45 but you can
raise the chance to become 11.00 with the epic breeding island and two level 10 dragons
and a rainbow habitat and put alot of basic types in the breed

I know how to get rainbow i got mine by flower & storm
I got seasonal by blazing and willow and blazing and pollon
I got got gold olmypus by blazing and quake and crystal and firework

Maybe you can breed a air and water dragon because air and water - a rainbow!

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Llk

Mud on the left blazing on the right i hope you have fun