As rainy season sweeps across Japan, vibrant bursts of color begin to bloom in gardens, temples and parks — signaling the arrival of hydrangea season. Celebrated for their lush petals and shifting hues, hydrangeas, or ajisai in Japanese, hold a special place in the country’s early summer landscape. Each year, cities and countryside alike come alive with festivals dedicated to these iconic flowers, offering visitors a chance to stroll through breathtaking displays, enjoy local traditions and embrace the serene beauty of the season. Take a trip to some of Japan’s most enchanting hydrangea festivals happening this summer.
Hydrangea Festivals Summer 2025
Bunkyo Hydrangea Festival 2025
See over 3,000 blossoming hydrangea shrubs at Hakusan Shrine. Experience the beauty of Japan's summer season with a wide array of ajisai, or hydrangeas, of various species all filling the area with bursts of blue, pink and purple. Enjoy the hydrangeas, alongside other festival attractions including food stalls, art exhibitions and interactive activities.
| Date & Time | Jun 07-15・・10:00–17:00 (Saturdays), 10:00–16:00 (Sundays) |
| Price | Free |
| Location | Hakusan Shrine |
Wonderful Nature Village Hydrangea Festival 2025
Wonderful Nature Village in Akiruno is home to over 15,000 blossoming flowers of an impressive 60 varieties. The hydrangea area covers 30,000 square meters that spreads along a hiking trail, so visitors can walk through the stunning scenery.
| Date & Time | Jun 07-Jul 06・09:00-17:00 |
| Price | ¥850 |
| Location | Wonderful Nature Village |
| More Info | Free for elementary school children, admission to the dog park is also included with your ticket |
Wisteria and Hydrangea Early Summer Goldfish 2025
Dive into the beauty of early summer at Art Aquarium Museum GINZA’s Wisteria and Hydrangea Early Summer Goldfish 2025.
| Date & Time | Apr 25-Jun 22・10:00-19:00・Last Entry at 18:00 |
| Price | ¥2,500 - ¥2,700 |
| Location | Art Aquarium Museum GINZA |
| More Info | Free Admission for elementary school children |
Kaiseimachi Hydrangea Festival 2025
Every year, in the quaint town of Kaisei, Kanagawa, 5,000 vibrant hydrangeas blossom with the backdrop of countryside rice fields. The festival makes for a beautiful escape from city life.
| Date & Time | Jun 07-15・08:30-17:15 |
| Price | ¥1,000 |
| Location | Kaisei Hydrangea Village |
Takahata Fudoson Hydrangea Festival 2025
About 40 minutes from Shinjuku Station, the annual Takahata Fudoson Hydrangea Festival blooms with hydrangeas of various shades. The temple grounds become a floral escape, worth visiting during this year's rainy season.
| Date & Time | Jun 01-30・09:00-17:00 |
| Price | Free |
| Location | Takahata Fudoson |
Akigawa Valley Hydrangea Festival 2025
Hosted on Mount Minamisawa, this mountain is said to be where Chuichi Minamisawa, who once lived in this area, began planting hydrangeas along the path to his parents’ grave. Continuing to plant them for 50 years, today there are over 15,000 hydrangeas blooming on the mountain.There are over 50 different varieties of hydrangeas here, including some rare types that are scarcely seen even within Japan. Surrounded by tall trees, the area becomes enveloped in a magical atmosphere for about a month starting in June, as vibrant blue, purple, and white hydrangeas bloom in full splendor.
| Date & Time | Jun 07-Jul 06・09:00-17:00 |
| Price | ¥2,000 |
| Location | Minamisawa Ajisai Mountain |
