watercolor new year seamless pattern. merry christmas winter holidays christmas tree branches posters invitations greeting

abstract acorns ash autumn background birch botanical botany branch bright brown chestnut closeup collection color colorful decor decoration design digital element fall flora floral flower foliage forest fruits gold green heart illustration illustrations leaf leaves maple mountain mushrooms natural nature november oak october orange paint paper pattern plant pumpkin scr scrapboo scrapbook scrapbooking scrapbookingn season seasonal september summer textile texture tree wallpaper watercolor white yellow