RSK - Okayama rose garden
There are thousand rose from several types and several places in the world. It is very good park for pleasure.
From the website, you can see the flower blooming (update everyday).
Opening hour: 9.30-17.00, closed every wed. Entrance fee 600 yen for adult, 300 yen for junior & senior high school student, 200 yen for child above 3 years old.