Rocket Larkspur Delphinium ajacis (Ranunculaceae) A winter annual, native to southern Europe, it has naturalized throughout the United States. Larkspurs are distinguished by a backward projecting spur, formed by the upper petal of the flower. Tightly compact blossoms are arranged on spikes in shades of pink, white, and deep blue. Prefers full sun to partial shade in very well-drained soils.
Growing larkspur flowers provides tall, early season color in the spring landscape. Once you learn how to grow larkspur, you will likely include them in the garden year after year. Read here for more info.