ancient boundary edge England heat hedge high hot margin oak old Quercus summer Sussex tree drops nature rain raindrops raining rainstorm splash weather wet cereals corn crop grainfield meadow barley rye summer field wheat blue floral flower flowers garden herbs lavender plants buttercup buttercups field green Nyberg ranunculus yellow colorado Columbine grow growing grows purple spring colours Isle of Wight rustic touristic flora fragrance plant red roses sky white dark forest park shadow sun Wigan boat calm cloud lake mirror reflection water