Their abundant root system allows them to be grown in a variety of individual styles as well as in miniature landscapes. Slow to produce vigorous growth when newly propagated. Also, they tend to be generally slow growing except in the tree forms. While hardy, many of the southern boxwoods do not tolerate Pittsburgh winters. Since they are broad-leave evergreens that will profit from winter protection, particularly from sun.
Boxwood likes water, particularly when in a pot.
Small boxwood bonsai should be kept damp and watered twice daily in hot weather. Woody cuttings can be taken any time during the growing season. Informal upright and in tray landscapes. European and its carious selections e.g., roundifolia, salicifolia, tricolor. They grow well in medium to shallow pots, tolerate wet soil and are hardy in Pittsburgh.