Chichibu Shibazakura flower festival in Japan Visitors view the Chichibu Shibazakura flower festival in Saitama, Japan on April 17, 2026. The foothills of Mount Buko have turned into a vibrant sea of color for the annual Shibazakura moss phlox festival at Hitsujiyama Park. The parks famous Shibazakura Hill spans over 17,000 square meters, acting as a giant living canvas. This year, approximately 400,000 plants have been carefully arranged in beautiful geometric patterns, attracting thousands of visitors to the Chichibu region. Saitama Japan PUBLICATIONxNOTxINxJPN Copyright: xMatrixxImagesx/xSimonxBonnyx