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Purple Coneflower, Black Sampson, Hedge Coneflower zones 4-9 : Description: The long-lasting extra large pink flowers are held at the end of straight, stiff stems that are good for cut flowers. A very nice plant for the back border. Some flower arrangers pull off the petals and use only the decorative cones! Bloom Color: Dark Pink
There are varieties to choose from depending on the height, color, flowering season and length of bloom you want. Examples of perennial flowers include datura plants, lavender, datura and lobelia. Datura plants survive in hot weather conditions and they can even grow as tress.