biennial plant Digitalis nature shrub stamens summer white flowers White foxglove biennial common flower foliage foxglove glove herbaceous lady perennial plant purple purpurea rosette saavem Scrophulariaceae tight woolly cow parsnip England english flowers grasses Great Britain Heracleum sphondylium hogweed rural stems Umbelliferae umbels white wild wiltshire beta carotene colorful colourful companion plant cut daucus carota dietary fibre fibre firm folate healthy inside lines orange popular raw root vegetable satisfying sativus skin sliced smooth snack sugar sweet taproot tasty texture uncooked vegetable vitamin A widespread aroma attractive bloom blooming blooms carnations color colors colour cultivar Dianthus dianthus-barbatus edible flora floral fragrance fragrant garden-flower garden-plant green greenery hardy horticultural horticulture leaves light petals pink-and-white plants sweet-williams