purple foxglove

biennial bloom blooming blossom blossoming bud budding color colorful colour colourful cultivars cultivated digitalin digitalis digoxin dutch floret florist flower flowering foxglove garden gardening gelderland growing grows growth heart holland horticulture inflorescence leaves medicine monocarpic natural nature netherlands petal plant plantaginaceae plantain purple purpurea rosette season seasonal spring stalk stamen stigma subject summer temperate tepal toxic