The Ogikubo Three Gardens — Ogigaiso Park, Otaguro Park, and Kadokawa Garden — are hosting a participatory Tanabata event from July 2 to 7, 2026, with a stamp rally offering prizes to the first 100 completers.
Hanahatazao, an endangered plant listed as Critically Endangered (Category I) by Japan's Ministry of the Environment, is currently in bloom at the Dune Area of National Hitachi Seaside Park in Ibaraki Prefecture.
Hakone Gora Park is bringing back its popular hydrangea photo spot for June 2025, with over 100 pots of colorful blooms lining the steps toward the fountain pool. Seasonal sweets and a limited-time glass bead craft experience are also on offer.
Around 500 varieties and 1,500 plants of roses are in full bloom at the Osaka Prefectural Flower Cultural Garden in Kawachinagano, Osaka. The peak season typically runs from mid-May to mid-June.
A free outdoor festival blending Bon Odori with DJ music, street food, and a special market comes to Miyashita Park's rooftop lawn this September.
Sunshine 60 Observatory's Tenbou Park in Ikebukuro is hosting a rainy season event with rose and hydrangea decorations, family workshops, and a special Baby Day featuring crawling races and childcare consultations.