background blur close up coneflower echinacea purpurea flowers green orange purple red shallow DOF bee bumblebee eastern flower insect Nyberg petal stalk summer biennial common Digitalis foliage foxglove glove herbaceous lady nature perennial plant purpurea rosette saavem Scrophulariaceae tight woolly daisy garden July nobody red Echinacea single coneflowers herb herbs pink remedy wildflower beech brown copper England Fagus fresh leaf leaves spring Sussex sylvatica tawny tree young