There are about one thousand varieties of tree peonies in China. The Chinese peony has more varieties in color, flower shapes, flowers sizes and in fragrance. There are more cultivars which grow in a wide range of temperature zones in China. The Japanese tree peony originally came from China. Usually a Chinese tree peony bloom at its third or forth year.
Some varieties take longer to bloom.
Afterwards each year the flowers become better and bigger. Chinese peony can live more than a hundred year. Most of them have fragrance. Usually the light color ones, such as white, light pink, lavender and yellow, have a more delicate or sweet fragrance. The darker ones, such as the purple, maroon and some red, have a stronger fragrance.