after you've defeated the 1st gym leader
Somewhere in floaroma town
In Floaroma town in Pokemon (Games) Diamond,Pearl and Platinum.
behind floaroma town use surf to get there
only in platinum at floaroma town (5.00pm to 8.00pm)
yes you talk to a lady
you need to get a shaymin in your party and then you go talk to a lady in floaroma town
same place as diamond and pearl or north of Jubilife city
If you have Shamin in your party go to floaroma town and in the middle of the town there is a girl talk to her and she gives it to you.
go to floaroma town and talk to the lady outside the flower shop
in floaroma town. a girl will talk about the flower and if you have shaymin in your party she will give it to you
beat mars in valley windworks
Use the super rod on the floaroma town side of route 205. I hope this helps.