Nakanoshima in Osaka

It is rose season in Osaka now. About 3,700 roses are blooming in Nakanoshima Park in Kitahama. People can enjoy roses twice a year, which is around early May to early June and late October to mid November. There is a green yard to lie down as well.

http://www.osaka-info.jp/en/search/detail/sightseeing_5025.html

International Freestyle Motocross 2013 in Osaka

June 1st, 2013 (Saturday) from 7 p.m. at Nishinomaru Garden in Osaka Castle.

You can go there from Morinomiya station, Tanimachi4chome station or Osaka Business Park station.

http://www.redbullxfighters.com/ja_JP

I guess it is very difficult to get a ticket. It will be live on the following site.

http://live.redbull.tv/events/193/xf-2013-osaka/