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.
By contrast, when the lighter color occurs on the edge of their foliage, hosta plants are said to be marginally variegated.. One example is H. 'Francee.' Another is the related H. 'Patriot,' grown in zones 3-8.ostas With Gold (Yellow) Leaves. Hosta plants with gold leaves should be planted in full sun to bring out their color fully. That color can range from a true gold to a chartreuse, depending on variety, location in the yard, geographical region, etc.