What you need to do is create the right combination of flowers, There are only for moshlings in a set. If you are unsure of how to complete one set ask someone who has already got the moshling that you are looking for, for the combination!!
No, you do not get Rox if you set a moshling free on Moshi Monsters.
Yes, Pip the moshling on Moshi Monsters is part of the Nutties set.
To get a moshling on the Super Moshi Missions you will have to complete the mission. At the end of the mission, you will be asked if you want to keep the moshling or not. If you click on "Keep It" the moshling will be added to your Moshling Zoo. If you click on "Set If Free", the moshling will be gone. Note: you have to be a paid Moshi Member to complete Super Moshi Missions.
When Zack Binspin is released as a moshling on Moshi Monsters, he will most likely be in the RoxStars set.
DJ Quack the moshling is in the Birdies Set of moshlings on Moshi Monsters
Liberty is a Moshling in the Worldies set that was created by Chaowzee in the Create a Moshling contest on Moshi Monsters.
You can not delete moshlings on Moshi Monsters. If you are a free Basic Member, you can choose "Set It Free" when you get a new moshling, but the moshling that you set free goes to your Moshling Zoo in case you ever get a paid Moshi Monsters account. If you are a paid Moshi Member, moshlings go to your Moshling Zoo.
Furnando is a Moshling that has not been released on Moshi Monsters. Furnando is listed in the Moshling Zoo in the Luckies Set as #115.
Dipsy in the 'Fluffies' set.
Yes, there is a Fifi moshling on Moshi Monsters. Fifi is part of the Puppies set.
There is no Yaki on Moshi Monsters. However, there is Sooki-Yaki, the Caped Assassin, a moshling in the Ninjas Set on Moshi Monsters.
At this point, there is no indication that there will be a moshling set called "Planties" on Moshi Monsters.