agriculture annual-plant brassica brassica-oleracea bunch cooking cultivar cultivated curly curly-kale curly-leaf edges edging food garden gardening greens growth hardy harvested healthy kale leaf leaves nutrition nutritious pre-cooked raw Scots-kale texture textured textures vegetable winter-vegetable Buddleja butterfly eating flower Pieris brassicae purple sitting suck sucking summer brussel droplets green plant sprout water cabbage crop Cruciferae danish Denmark farm field landscape Samsø background abstract greenery pieces shredded vegetation England english Great Britain grow wiltshire