background feathery fine garden grass natural nature ornamental plant stems texture beige stem straw yellow branches canal city photography property real estate river spring tree Urban nature woody plant ailanthus Ailanthus altissima branch flower flowering plant green growing growth heaven leaf leaves plants summer tree of heaven tree-of-heaven bouquet closeup color colorful colors colors Easter flowers fresh light love peace peaceful pink red red tulip tulip tulips warm white bloom blooming blossom blossoming blossomy botanic bright colourful countryside environment field land landscape outdoors outland scene scenery sketch sky sunflower sunflowers view botanics burn hazel burn nettle burn weed burning grow herb herbaceous perennial herbs itching medical plant medication medicine nettle nettles pain painful pattern patterns stinging nettle structure structures sunlight sunshine textures urtica dioica bedrock mountain Natural landscape water