Though native to the southwestern United States, coral bells thrive in all regions but the Gulf Coast and Florida. Well-drained soil rich in organic matter is best. Use in front of borders or as a small-scale ground cover. Removing faded flower stalks prolongs bloom time. Space plants 15 in.
Coreopsis are excellent as edging in flower beds or in rough open areas.
Their summer flowers contrast well with the blues and purples of salvia. Plant coreopsis in full sun and well-drained soil and water them moderately. Coreopsis tend to self-sow. Space plants 12 in. It grows in a spreading, loosely mounded form 9 in.