You can't devolve a pokemon. You can cancel their evolution by pressing the B button while it's evolving but that's it.
Roserade does not evolve.
ok you can only evolve rosselia in pearl or diamond with a shiny stone it will become a roserade
No it is not possible but you can evolve it on Pokemon Diamond and Pearl if you wanted.
Well, you can evolve Roselia into Roserade with it.
Roselia only evolves in Pokemon platinum, diamond, and pearl Roselia evolves into roserade if you use a sun stone on it
You can evolve Roselia into roserade of togetic into togekiss. There are two shiny stones in the games so don't worry.
You cannot catch nut togekiss is easily evolved from a togetic all you have to do is use one of the two shiny stones that are possible to get diamond/pearl to evolve it (I also suggest using the other one to evolve your Roselia into a Roserade) Hope I helped :)
Roserade doesn't evolve. If you mean Roselia, you need to use a dawn stone on it to make it evolve.
the Pokemon roserade (evolution of Roselia and Budew) evolve with shiny stone.
Shiny Stone
It evolves into Roserade.
Togetic into Togekiss and Roselia into Roserade