Early Sep – Late Oct 2026 A cosmos festival in Tokyo, Showa Kinen Park displays approximately 6 million flowers from over 30 species across its large fields.
Showa Kinen Park, Tachikawa, Tokyo The Kochia Carnival is a seasonal event at Hitachi Seaside Park. In October, 33,000 kochia bushes turn red on a hill, where cosmos flowers also bloom.
Hitachi Seaside Park, Hitachinaka, Ibaraki A moon viewing event in Tokyo, Mukojima-Hyakkaen garden displays hand-painted lanterns and features traditional music performances to recreate an Edo-period aesthetic.
Mukojima Hyakkaen Garden, Sumida, Tokyo Late Oct – Early Nov 2026 A chrysanthemum exhibition in Tokyo, held since 1915, displays approximately 2,000 flowers. Visitors can buy seeds and learn how to grow the plants.
Hibiya Park (Kusachi Hiroba), Chiyoda, Tokyo