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.
Weigela is a relatively small genus with about 10 to 12 species but there are over 180 cultivars to choose from. Weigela is a deciduous shrub that produces flowers in the spring and early summer. Weigela grows best in full sun to light shaded areas. Weigela is very hardy and has few pests to contend with.