Origin & history
Greenery Day was established in 1989 to commemorate the birthday of Emperor Showa (Hirohito), who reigned from 1926 to 1989. Emperor Showa was known for his deep interest in marine biology and botany, and he spent much of his time studying plants and nature. Initially, the holiday was observed on April 29th, the Emperor's birthday, and was called "Midori no Hi." After his death, the day continued as a celebration of his legacy and a time to appreciate nature.
In 2007, a significant change occurred: April 29th was renamed "Showa Day" to honor the Showa era, and Greenery Day was moved to May 4th, which had been a national holiday (the former "Citizens' Holiday") between Constitution Day and Children's Day. This adjustment allowed the Golden Week holiday period to remain intact. The shift emphasized the environmental and peaceful aspects of Emperor Showa's character rather than his historical role during the war.
The name "Greenery Day" reflects the Emperor's passion for nature and his efforts to promote afforestation and environmental conservation. The holiday was officially created as a day to "become familiar with nature and appreciate its blessings, while cultivating a rich spirit." Over time, it has evolved into a celebration of all things green and natural, aligning with Japan's broader cultural respect for the environment.
Customs & traditions
On Greenery Day, many Japanese people engage in nature-related activities. It is common to visit parks, gardens, or forests to enjoy the spring foliage. Since it falls during Golden Week, families often take walks, go hiking, or have picnics in scenic areas. The day is also used for gardening, planting trees, or simply spending time outdoors. Some communities hold tree-planting ceremonies or environmental clean-up events.
Culturally, Greenery Day is low-key compared to other Golden Week holidays. No specific food is traditionally associated with it, but people might eat seasonal spring dishes like bamboo shoots (takenoko) or mountain vegetables (sansai) while enjoying nature. Schools and public institutions may host nature-themed activities or encourage children to learn about plants and ecology. The day promotes relaxation and a connection to the natural world, emphasizing sustainability and appreciation of Japan's lush landscapes.
Why it is celebrated
Greenery Day serves as a reminder of the importance of environmental conservation and the beauty of Japan's natural heritage. It honors Emperor Showa's lifelong commitment to nature and peace, encouraging people to reflect on their relationship with the environment. The holiday also provides a much-needed break during Golden Week, allowing families and individuals to recharge and connect with nature.
Beyond its historical and environmental meanings, Greenery Day symbolizes a national appreciation for greenery and ecological balance. It aligns with Japan's cultural values of harmony with nature (as seen in Shinto and Buddhist traditions) and modern environmental consciousness. The day underscores the idea that respecting nature is a collective responsibility, making it a meaningful occasion for both personal enjoyment and communal action toward sustainability.