blue bluebells bulb deciduous England english flower Great Britain green Hyacinthoides natural nature plant spring Surrey trees wild woodland background Dandelion field grass meadow Taraxacum texture uk united kingdom yellow buttercups flowers hedge landscape ranunculus shadow Sussex cowslips downland hillside Primula veris Primulaceae South Downs Brassica napus canola clouds crop farm Hampshire oilseed rape sky clocks flora beauty bloom bright cheerful cultivar cultivated daffodil garden miniature narcissus petal small tiny trumpet conifer forest pine rhodedendron rhododendron shrubs understorey understory Cornish cornwall Michael mount national trust rockery saint St. Michael's Mount