The Japanese TV program Oha Suta revealed today the title of the 11th Pokemon movie, Giratina and the Sky Bouquet. Oha Suta is a children's TV show which airs weekday mornings and it is produced by TV Tokyo. Kōichi Yamadera is the host of Oha Suta and has starred in all the Pokemon movies to date in various voice acting roles.

"A preview played during the show which featured Giratina, Dialga and Palkia and said the fight among the Pokemon gods has not ended. Due to the "bouquet" reference in the title, the movie is likely to debut the event Pokemon Shaymin as previously speculated." (Bulbanews)

"Giratina and the Bouquet of the Sky" is not the full title of the movie. The finalized title won't be announced till March or April, as per usual. "Theatrical Edition - Pocket Monsters Diamond & Pearl - Giratina and the Bouquet of the Sky - Shaymin" does seem to be the most logical full title for the 11th movie and it will premiere in Japan in July of 2008.

Sources: http://pokeani.com/ & http://bulbanews.bulbagarden.net/