abundant bloom blossom blue bush England flower frothy garden many petal pink profusion rhodedendron rhododendron shrub sky spring background branch magnolia texture tree holland lisse narcis nature white flower brown cultivar iris orange petals air blauwe bloei Dordrecht field field daffodils green lucht open park veld narcissen wantij yellow hepacitca nobilis purple Astrantia head natural red summer bulb crocus lawn white primrose Primula Sussex wild February Hamamelis hazel winter witch