Red Monkey Flower A Living Fence of Pyracantha Larkspur/Annual Delphinium April 28, 2019 Joshua Siskin Flowers No comments larkspur (Consolida ajacis) larkspur/annual Delphinium Just scatter larskpur seeds for a magnificent spring bloom. These annuals will then self-sow and come back year after year after year. No garden should be without larkspur.