1630s Expansion of New England Gardens Timelines: Timeline of American Garden History
The English grew apples, pears, plums, lilacs, boxwoods, European snowballs, and English yew in their New England gardens.
Ellis, Barbara W., Jane S. Keough, Judy Powell, and American Horticultural Society. North American Horticulture, a Reference Guide. (New York: Scribner, c. 1982).