6-June (Roku-gatsu)

Spring Rose Festival at Jindai Botanical Gardens May 3 - Jun 1, 2025
The Jindai Botanical Gardens (神代植物公園) is one of Tokyo Metropolitan Parks located in Chofu city. The gardens have 5200 roses in 400 different varieties, blooming in spring and autumn.

Tokyo Old Book Market by Aishokai
May 9 and 10, 2025
An old/secondhand book exhibition and sale will be held at Kosho Kaikan Building in Kanda. Various kind of books will be sold at this market, including books on Japanese art, academic literature, traditional Manga, and magazine. Goold for those looking for something unique written in Japanese.

Yokohama Sparkling Twilight 2025
Saturdays(Sundays) during Apri.52 - Sep.14
A fantastic short fireworks show will be an evening surprise in the Yokohama Bay area.

Japanese Iris Festival - Katsuhika Shoubu Matsuri May. 26 - Jun.15. 2025
Katsushika City in Tokyo has a traditional iris garden, "Horikiri Iris Garden," with a history of hundred years, has been depicted in Ukiyoe woodblock prints by renowned artists such as Utagawa Hiroshige and Suzuki Harunobu.

Iris Flower Festival at Fukiage, Oume City May.31 - Jun.15 2025
Lies in a tranquil area nestled in forests in Ome, Tokyo, the 2.1 hectares of the garden is filled with more than 250 varieties of different iris flowers..

Yokosuka YY Vehicle Festival May 31 - Jun. 1, 2025
Various types of vehicles, including trains and special automobiles, will be exhibited at the event sites in Yokosuka City. This event is good for kids and families.

Ajisai Flower (Hydrangea) Festival at Takahatafudo Temple
Jun, 1 - 30, 2025
Located in the western area of Tokyo Prefecture, this historic temple has 2700 Hydrangea in 200 different varieties, filling the temple ground and the hillside behind the building.

Kaiju Monster Tradeshow
Jun. 1, 2025
This tradeshow is to sell and showcase Kaiju or monster figures and related products. .

Japanese Iris festival in Kiyosumi-teien Garden Jun.1 and Jun.8, 2025
During the season of Japanese Iris, Kiyosumi-teien Garden will hold traditional music performances on Sundays.

Shimoda Ajisai (Hydrangea) Festival
| Jun.1 - 30 2025
Held at Shimoda Koen Park situated on a small mountain near the Perry Road in Shimoda, Izu. 3 million various Hydrangea flowers will color the park while this festival is held.

Iris and Hydrangea Festival at Odawara Castle (near Hakone)
May 31- Jun. 15 2025
Japanese Iris (Shobu) and hydrangea (Ajisai) in the castle garden will be in bloom during the festival period. Admission is free to enter the garden.

Susanoo Shrine Traditional Festival
Will be Jun. (5)7-8, 2025
A traditional festival held at Susano-jinja Shrine in Arakawa Ward, Tokyo. People in the town carry Mikoshi portable shrines and parade in the street around the shrine.

YohaS - Open air art event in Chiba city
Jun. 6 - 7, 2025
A night art festival themed on the Ooga lotus will take place at Chiba-koen Park. The event will feature a showcase of digital art, as well as live dance and music performances. Visitors can also enjoy dazzling lighting displays.

Japanese Iris Festival in Adachi City
Jun.7 & 8, 2025
A local event at Shoubunuma-koen Garden in Ayase, Adachi City in Tokyo. You will be treated to the beauty of over 8000 iris flowers in full bloom. Additionally, a world-food festival will be held in Ayase town during the festival. Admission is free for both events.

Hiejinja Shrine Sanno Matsuri
Jun. 7 - 17, 2025
One of the three largest traditional festivals in Tokyo and even in Japan, has a long history back to the Edo Period.

Iris Flower Festival at Koiwa Shobu GardenJun. 7 - 22, 2025
The iris garden at the Edogawa River Bank is filled with 50000 iris flowers in 100 different varieties. Admission Free.

Bunkyo Ajisai (Hydrangea) Festival
Jun. 7 - 15, 2025
Bunkyo Ajisai Matsuri (Hydrangea) Festival is held at Hakusan-jinja shrine and the Hakusan-koen garden in Bunkyo-ku, Tokyo. More than 3,000 hydrangeas will be in full bloom during the festival.

WHO'S NEXT DYNAMIC GLOVE on U-NEXT Jun. 7, 2025
Japan Light flyweight Match 10 Rounds,
Super bantamweight 8 rounds, and more.

Grab-a-drink Festival at Ueno Park
Jun. 12 - 15, 2025
78 food and drink stalls will be set up, mainly from those with Tokyo's downtown atmosphere. Enjoy original whisky soda and beer in a standing bar style and live performances by artists on stages, the Japanese tradition of "Yosakoi," famous Japanese musicians, and more.

Yokohama Handmade Marche | Jun. 14 - 15, 2025
Held in Yokohama, this is one of Japan's largest handmade events, featuring creators and artists showcasing and selling original works and homemade sweets at their booths..