A very quick guide on the bee breeding combinations
Bee Breeding Guide
Common (Tier 1)
Common + Forest = Verdant
Common + Verge = Vibrant
Common + Uncommon = Dream*
*player must be sleeping for Dream bees to spawn
Forest (Tier 1)
Forest + Common = Verdant
Forest + Verge = Misty (must be raining to spawn)
Forest + Uncommon = Drowsy
Verge (Tier 1)
Verge + Common = Vibrant
Verge + Forest = Misty (must be raining to spawn)
Uncommon (Tier 1)
Uncommon + Common = Dream*
*player must be sleeping for Dream bees to spawn
Uncommon + Forest = Drowsy
Verdant (Tier 2)
Verdant + Vibrant = Regal
Verdant + Drowsy = Domesticated (apiary must be in a house for Domesticated to spawn)
Vibrant (Tier 2)
Vibrant + Verdant = Regal
Vibrant + Misty = Worker
Vibrant + Muggy = Worker
Thanks to Ninetales for his great guide, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.