Paradise flowers can only be obtained from your Bee Fly and are one of the rewards that can be dropped at random by the Beefly when you fill the progress bar all the way! Paradise flowers are very very rare, and very hard to come by though so this set can take some time to complete. For more info about the Beefly and when this creature arrives in your forest, please check out “The Flutterpedia” section of the FAQ’s.