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Rustic and very floriferous, tolerant and easy to maintain in gardens. Compact and upright with a rounded apex. Abundant perfumed flowering in March-April, even from a young age, pink buds becoming pure white flowers. The breeder, an american botanist (1876-1956), was director of the New York Botanical Gardens in the Bronx, then at the illustrious Arnold Arboretum where he bred this plant with K. Sax.