Some of the major seasonal festivals during the rainy season are based around the hydrangea flower (called\u00a0ajisai\u00a0in Japanese), and Bunkyo puts on one of the best at Hakusan Shrine. What happens? 3,000 hydrangeas will be in bloom around Hakusan Shrine and nearby Hakusan Park. Entry is free and there will be a lot of festivities, including a concert, mikoshi (portable shrine) procession, stalls every weekend, free toothbrushes -- really -- and sketching meetups. Schedule 2023 June 11 and June 18 (from 13:00): Free toothbrushes for the first 100 people June 10\u201311: Hydrangea concert June 17\u201318: Hydrangea concert June 18 (From 10:00): Hydrangea mikoshi procession Tip: Look out for similar festivals in your neighbourhood -- entrance is likely to be free too.