border diverse diversity England english flowers garden Great Britain orange path red summer Sussex variety various yellow barley boundary cereal crop edge farm field grain Hordeum vulgare margin plant wiltshire foliage green leaf leaves light natural nature peace petals quiet shade shadow sunlight tranquil veins America aquamarine blue boulder clean clear cold fast flow pool pure river rock transparent water conifer forest tree arrow board canada colour danger fire flammable indicator inflammable notice risk sign warning wood brick decorative door entrance formal gate home house iron opulent ornamental ornate pillar smart wrought cloud clouds focus holiday Nyberg oil rape rural seed sky sun white abundant blossom cherry flower many numerous petal profusion Prunus rich spring