Forward and Backward Euler Methods. Let's denote the time at the nth time-step by tn and the computed solution at the nth time-step by yn, i.e., . The step size h (assumed to be constant for the sake of simplicity) is then given by h = tn - tn-1.
Heuchera â Shade Garden Plant â Coral Bells. Heuchera is a Native American plant that is found all over the country. It is more commonly known as Coral Bells and comes in many shades of purple, rose, green and variegated varieties.
It's not just the flowers that are beautiful; the gray-green leaves of these shade plants are attractive as well. The plant grows about 12 inches tall and is hardy in Zones 5-8. Test Garden Tip: This plant can be a prolific self-seeder.elect varieties of this shade plant offer dark purple or variegated foliage, or pink or white flowers. Ajuga grows best in Zones 3-9 and grows only 6 inches tall. Test Garden Tip: Ajuga can be a vigorous spreader; it's not the best choice for small spaces.