Royal Sweet Pea (Lathyrus Odoratus Royal Navy Blue) - This dark colored flower will be a deep purple or navy blue depending on soil nutrients. These vines are early flowering and can last right up until frost in fall if the summer is cool. These annuals are perfect cut flowers, so you can spice up the living room with a nice bouquet, and the flowers are pleasantly scented and are carried on long stems for easy arranging.
Annual.