Tachikawa's Showa Kinen Park has the most impressive fields of cosmos flowers in Tokyo and this is the ideal time to see them all in full bloom. The hilly grasslands of the park are usually draped in colour from mid-September with various types of cosmos flowers, and the multicoloured scenery can be enjoyed well into October.
There are four main gardens: The Lemon Bright field, which is covered in vivid yellow sulfur cosmos; Autumn Bouquet Garden, which has a mixture of 20 different cosmos; the Akatsuki and Hinomaru cosmos field; and the Cosmos Sensation filled with lilac blooms.
Don't miss the picturesque soap bubble event, where you can see countless small bubbles floating over the flower gardens. This special spectacle happens on October 21 (at 10.30am and 12noon at the Lemon Bright field) and October 22 (at 10.30am and 12noon at the Autumn Bouquet Garden).