I'm curious about this because I currently live in USDA plant hardiness zone 7a, but I hate Autumn and Winter partly for the fact that the leaves on deciduous trees changing colors and falling off, and the blossoms of Spring/Summer/early fall flowers falling off, makes my anxiety a lot worse than it is in Spring and Summer (and I find it very ugly in general when deciduous trees do that). If it does help, I might want to grow a forest of evergreens, or at least recommend for people who care about our planet and the seasonally depressed to do so. Evergreen plants include the following: Coniferous trees and bushes (duh) Palms (if you live in at least zone 7a, there are a few cold hardy types you can grow which will tolerate occasional low temperatures down to 0-5F) Bamboo Sugar cane Acacia trees (some types, not all) (they won't grow in areas too cold or too wet) Rain trees (although they're often very sensitive to temperatures below 50-55F, so they only thrive in tropical rainforests and as houseplants)