Hanami means "flower viewing" in Japanese. Enjoying beautiful flowers is an old Japanese custom. Cherry blossoms are the most popular. The custom of hanami is more than a thousand years old. It is still very popular in Japan. Hanami takes place in the spring. Cherry blossoms are there for only a week or two. The cherry trees flower in late March and early April. The blossoms do not stay fresh very long. After a little time, the blooming is over. Then the blossoms fall from the trees.