They grow best under cool conditions and may slump in midsummer. White, pink and red predominate in the color range. Varieties range in height from six to 12 inches. Daisy-like cream or yellow flowers are produced in late summer. Can be direct seeded or transplanted species and hybrids.
Larkspur is an old garden favorite for providing tall, spiky effects in the garden.
They are frequently used as cut flowers. The tall hybrid perennial Delphiniums usually perform poorly in the Southeast, but the Larkspur types do well. The best, compact variety is Merlin. Varieties range in height from one to three feet. Sun Many species of Phlox are cultivated, and many of these are perennials.