Budew is a baby Pokemon, so it can't breed, if that's what you mean.
But, if you want to hatch a budew, attach a rose incense to roserade or roserade (female), and put it in the day care with ditto or any other Pokemon of the opposite gender in the approperiate egg group.
The same goes with azumarill (sea incense), chingling (pure incense), bonsly (rock insense), mantyke (wave incense), wyanut (lax incense), mime jr. (odd incense), happiny (luck incense), and munchlax (full incense)
Pokemon that don't need an incense are pichu, cleffa, igglybuff, tyrogue, smoochum, elekid, and magby.
If you don't have a ditto, you should catch one because it will help A TON with breeding.