The deciduous foliage is elliptical and up to 2.5 x 1 inch in size.
They are fresh bright green in summer and turn to golden yellow in autumn.
The flowers are white and borne in July and August.
Hardy from zones 3 to 7 on moist, well drained soil in full sun.
Can be cut to ground in early spring to renovate.
* photos taken on August 3 2010 @ University of Guelph Arboretum, Ontario
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