noun
tree-planting ceremony; Arbor Day
Refers to an organized event where trees are planted, often held by communities or governments. Can also refer to Arbor Day as a specific holiday.
毎年、市の植樹祭でたくさんの苗木が植えられる。
Every year, many saplings are planted at the city's tree-planting ceremony.
植樹祭は森林保護の大切さを伝える行事だ。
The tree-planting ceremony is an event that conveys the importance of forest conservation.