art background design floral flourish flower graphics green leaf plant red spring stripes tree vector wallpaper yellow cooking flowers gardening herb herbs leaves nature plants salad sorrel vegetables wild colors colours cowslip fresh garden magenta pink primavera Primula prymula England english flora Great Britain natural petals primrose Primula vulgaris Sussex bluebells Dorset fern frond pteridophyte woodland hybrid Asia bamboo blossom blossoms china copyspace free growing grown illustration japan summer young bud cutout grow heart isolated New stick trees twig dry grain grass landscape outdoor pond reed reed rural sky tall wind