Dai Bonsai Matsuri (大盆栽まつり, literally Grand Bonsai Festival) is
held in the Omiya Bonsai Village.
It is one of Japanese largest outdoor market of bonsai,
plants, pots and related materials.
It began to commemorate
the 60th anniversary of the Omiya Bonsai Village and
now it is recognized as a seasonal event.
Grand Bonsai Festival 2015 video: