color colorful crocus crocuses flower garden gardening nature plant purple spring springtime violet yellow blooming flowerbed flowers green leaves pattern plants seedling texture tile tulips wallpaper marigolds marsh pebbles pond reflections water blue sky broom bushes clouds flowering horizon landscape sun walk background dutch Easter holland isolated Netherlands orange season tulip white branch bush leaf tree trees twig bell bellflower bellflowers blossom blossoms grass grassland meadow wild cloud Downs England field hill rural sky south Sussex turf view