allium hollandicum `purple sensation`

alliaceae allium alliums attractive background backlit ball beautiful beauty because bloom blooming blossom border botanical botany bright bud bulb closeup cluster color copyspace cultivar cultivated dutch early family flora floral flower flowering flowers focus fragrant garden gardening garlic giant green herbaceous hollandicum iran its kyrgyzstan lucy native natural nature onion ornamental perennial persian petal plant purple row selective sensation species spring summer umbels violet widely