Coreopsis tend to self-sow. Space plants 12 in. It grows in a spreading, loosely mounded form 9 in. Its long bloom period is heaviest in spring, and the 2-in. Among the numerous varieties are 'Album,' with white flowers, and G. s. striatum , a lower-growing form with pale pink flowers veined with red.
Cranesbill works well as an edging, in front of borders and in casual plantings.
It prefers moist, well-drained soil, but tolerates drought. Space plants 12 to 15 in. Daylilies grow in large clumps of arching, sword-shaped leaves. Funnel-shaped flowers 3 to 8 in. Hybrids grow 1 to 4 ft. tall.