Plant in a well-drained, dry soil in full sun. The tiny flowers are massed above cleft leaves that are 3 long and lance shaped. This plant spreads quickly and produces a large amount of flowers every spring. After the flowers are faded, cut back by 1/3 to encourage the plant to rebloom.This is a very easy to care for plant. They are excellent for rock gardens and borders, or cascading over a rock wall. Cultivars: -'Citrina'- pale yellow flowers. -'Plena'- deep yello ...lant in a well-drained, dry soil in full sun. The tiny flowers are massed above cleft leaves that are 3 long and lance shaped. This plant spreads quickly and produces a large amount of flowers every spring. After the flowers are faded, cut back by 1/3 to encourage the plant to rebloom.