Yellow Corydalis This hard-working perennial takes the prize for being the longest bloomer in the shade garden. Enjoy its clusters of yellow flowers from late spring all the way to frost. It's not just the flowers that are beautiful; the gray-green leaves are attractive as well. The plant grows about 12 inches tall and is hardy in Zones 5-8.
Bunchberry. Cute little white flowers cover the plants in spring. The real fun comes in autumn, when bright red fruits adorn the petite plants. The leaves also develop festive shades of bronzy-purple. Name: Chamaepericlymenum canadense (also commonly called Cornus canadensis) Growing Conditions: Full shade and well-drained soil Size: To 6 inches tall Zones: 2-7
Power Perennials: Plants That Thrive No Matter What
Artemisia has beautiful silver-gray foliage that won’t fade in the hot sun. This hardy perennial is also drought and insect resistant, and the branches make a wonderful addition to indoor flower arrangements. Height varies by variety and can range from 3 feet tall to just 5 inches. Grows in Zones 4-9.