<P> Maple collections, sometimes called aceretums, occupy space in many gardens and arboreta around the world including the "five great W's" in England: Wakehurst Place Garden, Westonbirt Arboretum, Windsor Great Park, Winkworth Arboretum and Wisley Garden . In the United States, the aceretum at the Harvard - owned Arnold Arboretum in Boston is especially notable . In the number of species and cultivars, the Esveld Aceretum in Boskoop, Netherlands is the largest in the world . </P> <P> Many maples have bright autumn foliage, and many countries have leaf - watching traditions . In Japan, the custom of viewing the changing colour of maples in the autumn is called "momijigari". Nikko and Kyoto are particularly favoured destinations for this activity . In addition, in Korea, the same viewing activity is called "Danpung - Nori" and the Seoraksan and Naejang - san mountains are very famous places for it . </P> <P> The Acer saccharum (sugar maple) are a contributor to seasonal fall tourism in North America, particularly in Central Ontario, Québec, and the northern tier of the United States including Wisconsin, Michigan, Vermont, New York, New Hampshire, Maine, and Western Massachusetts . </P> <P> Maples are important as source of syrup and wood . Dried wood is often used for the smoking of food . Charcoal from maples is an integral part of the Lincoln County Process used to make Tennessee Whiskey . They are also cultivated as ornamental plants and have benefits for tourism and agriculture . </P>

Where are maple trees found in the us