Sponsored photos by

Rainbow Eucalyptus tree at Keahua Arboretum near Kapa'a, Kauai, Hawaii. Rainbow Eucalyptus is a tree of the species Eucalyptus deglupta with striking coloured streaks on its bark.
Dawes Arboretum Japanese Garden with Koi pond and water reflections on a sunny day
Azaleas and other treats in bloom at the at the U.S. National Arboretum in Washington, DC.
Spring blooms in a riot of colorful tulips at the North Carolina Arboretum, in Asheville, North Carolina.  Beds are made to look like huge baskets of tulips.
A couple walks through Washington Park Arboretum in Seattle in springtime

Free stock photosarboretum (13)

Sunrise at Morton Arboretum, Lisle, IllinoisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sunrise-morton-arboretum-lisle-illinois-484935">Image used under license from Freestock.com</a>
Bark of American elm (botanical name: Ulmus americana), a hardy tree native to eastern North AmericaImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/bark-american-elm-botanical-name-ulmus-77785048">Image used under license from Freestock.com</a>
Painterly abstract of a magnolia tree blossoming in northern Illinois, USA, in springImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/painterly-abstract-magnolia-tree-blossoming-northern-189555104">Image used under license from Freestock.com</a>
Palette of pavement for summer impressionism: Part of a dappled asphalt road through woods in northern Illinois, USA (black and white)Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/palette-pavement-summer-impressionism-part-dappled-291359219">Image used under license from Freestock.com</a>
Arrangement of floodlights on lawn for synchronized displays of trees at night (selective focus and shallow depth of field)Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/arrangement-floodlights-lawn-synchronized-displays-trees-237181123">Image used under license from Freestock.com</a>
Spring blossomsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/spring-blossoms-493297">Image used under license from Freestock.com</a>
Tall pines in perspectiveImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/tall-pines-perspective-493295">Image used under license from Freestock.com</a>
Snow-covered rocks in partly frozen creekImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/snowcovered-rocks-partly-frozen-creek-833008">Image used under license from Freestock.com</a>
Peeling bark of paper birch, genus Betula papyrifera, close-upImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/peeling-bark-paper-birch-genus-betula-3402792">Image used under license from Freestock.com</a>
Tree shadow on short green grass in springImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/tree-shadow-short-green-grass-spring-2391327">Image used under license from Freestock.com</a>
Long tree shadows on snowImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/long-tree-shadows-snow-833666">Image used under license from Freestock.com</a>
Shadows of tree branches on snowImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/shadows-tree-branches-snow-828405">Image used under license from Freestock.com</a>