Use as backgrounds for lower annuals such as larkspurs and zinnias. Scarlet crimson, lavender, pink, white. Sow in succession to extend blooming period. Try cornflowers planted with calliopsis. The contrast of the blue with the gold is striking, Flowers of self-sown plants are usually inferior.
Larkspur grows best in cool weather.
Excellent cut flowers, lasting indoors as long as any annual. Prefers sandy soil and sun. Combines well with dwarf marigolds. Tall kinds may reach 4 feet.