Group 1, Species. White. Late spring to early summer. USDA zone 4b through 9b. Height of 16' 5" to 23' (500 to 700 cm).
Group 1, Montana Group, Species. White or light pink. Single bloom form. Late spring to early summer. USDA zone 7b through 9b. Height of 20' to 30' (610 to 915 cm). Unknown in China (1890).
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Early Small Flowered, Group 1. Deep pink. Purple branches. Late spring. Vilmorin-Andrieux & Cie., Verrière-le-Buisson (1917).