I'm playing Pokemon x and I evolved my Roselia into Roserade around level 35( ish) and it is now a level 54 and it hasn't learnt Petal blizzard yet, (serebii says it should learn it at level 50), and it's annoying me because I want it to learn another good grass type move, so does anyone know how I can teach it Petal blizzard, or another good grass type move to teach it.
Current move set is;
Dazzling gleam ( the move I want to replace)
Thanks in advance!! ( btw toxic and then venoshock is great move combo!!)