John Dole

Peony (Paeonia spp.) is one of the most popular garden plants in temperate regions. They
were introduced into cultivation in China hundreds of years ago, and have since been
spread widely to many countries. According to morphological traits and life form, the genus
is divided into tree and herbaceous peonies. Numerous cultivars of herbaceous peonies
have been developed to satisfy demand for colors, fragrance, flowering time, and disease
resistance. In the last two decades, the popularity of peonies as cut flowers has resurged …