Forty-four cvs, some local, others introduced, have been studied in Thailand. Used as rootstocks for other mulberries, they are very popular in the Great Lakes Region of the United States. New American', considered the best cv, 'Trowbridge' and 'Thorburn' are the leading kinds of fruit-bearing mulberries for the North. Distribution Native of China, white mulberry is cultivated throughout the world wherever silkworms are raised, and is occasionally cultivated elsewhere in Europe, North America, and Africa. Having escaped, trees often appear on roadsides, along fencerows, and as ornamentals.
White mulberry grows well on wide variety of soils.
It withstands drought, once well established. However, it is liable to wind damage. In India, it is cultivated up to 3,300 m elevation, but can grow as well at sea-level. Cultivation Mulberry trees can be propagated by seeds, cuttings, or graftings. Seeds should be treated with camphor water before sowing to ward off disease.