Higashi-Matsuyama Peony Garden is one of the most famous spots for peonies in the Kanto region. About 9,000 peony plants grow throughout the garden, and their red, white, pink, and other colorful blossoms create a vibrant spring landscape. The best time to see the flowers is from mid-April to early May. During the blooming season, the garden also hosts the Higashi-Matsuyama Peony Festival. Visitors can stroll along the spacious walking paths and enjoy the large, elegant peony blossoms up close, making this garden a popular spot in spring.