Arbor Day 2024 Portland 2024. Trees are important oxygen producers, help provide energy saving shade and the presence of. Portland’s october arbor day aims to help tree canopy.
Due to our changing climate, portland’s hot dry summers have made it more difficult for trees planted in april to succeed. Arbor day 2024 will occur on friday, april 26, and is typically celebrated on the last friday in april in the united states.