You will have to wait until a Nintendo event is out which can give you the oaks letter, and you have to catch shaymin before you get the flower.
Heres a list of all events:
http://bulbanews.bulbagarden.net/wiki/Front_page/Events
Yes, but you can only get the flower in platinum.
A woman in Floaroma Town will give it to you if you have a TRUE shaymin
go to the gracadia flower garden on route 224 and go to flower paradise and surf hope i helped :) by the way you need oaks letter!! :0
Do you mean gracadia flower? Cause there's no such thing in Pokemon Platinum called a gilice flower. If so all you have to do is get a "Shaymin" and go to Floaroma Town, there's a blonde hair girl standing near the sign to the right of the Pokemon center, then you just talk to her and she'll give u a gracadia flower "in Your key item bag" (it is used to make "Shaymin" transform into His\her's "Sky Form") Answered By:Shakein
talk to the lady near the honey man and you get a flower
It's possible that it's not the Gracidea Flower that isn't the problem but in fact the Shaymin you're trying to use it on that is the problem. The Gracidea Flower will only work on legit Shaymin and not ones that were acquired via cheating or hacking.
the gracidea flower
It isn't the evolved form of shaymin it is the same Pokemon. To get it you trade your ordinary land form shaymin to Pokemon platinum and it changes into sky form. Only problem is Pokemon platinum dosent come out in England until next December. Hope this helps.
its imposible to get a shaymin with a gracadia flower because the gracadia is a key item and so u cant give it to anyone.and u need to have the event shaymin(first gain oaks letter etc) to get a gracadia flower.it wount work on any shaymin traded or hacked.but if u really want a shaymin with a gracadia flower,buy an action replay and use a code to get the oakletter event,or just wait for a shaymin event.
YesYou Can Get Shaymin Sky Form In Pokemon Platinum With A Cheat Code That Is A Special Flower.
you dont need a actiion replay code. just go to floroma town talk to a blonde lady and she gives you it. make sure you have a true shaymin though.
route 224. {flower paridise}