colours flower garden green lanscape plant pot red Runuculus yellow butterfly colourful flowering insect nature spring tree wallpaper daisies daisy England Great Britain petal white bloom convolvulus cultivar plate silverbush Anthemis blossom compositae fritillary Great Spangled Fritillary orange speyeria cybele annual blooms petals purple summer viola viola tricolor abundant layer many profusion shrub bee flying garden insect hover fly in flight