paeony are grown for their beautiful flowers , which come in in a full image of forms and colors that are often very fragrant . They are perennial and are very adaptable , growing adept in temperate and cooler climates . paeony can make an excellent accent works in a garden . Identification is broken down into four classifiers — plant life type , prime eccentric , season and color .
History
The paeony is one of the oldest crop flowers . initiate in Asia yard of old age ago , it has been celebrated throughout history in penning , song and art . Peonies were not only grown for their sweetheart , but also for medicinal design . During medieval times , peonies were take to Europe as a medicative herb . As time , went by the plant life was also grow as an ornamental and many cultivar were developed in the nineteenth and former 20th centuries . peony made their way to the United States , where they were often grown in home garden . However , there was great confusion about place paeony , particularly in the nursery line . In 1902 , the American Peony Society was founded . In cooperation with Cornell University , the society establish a nomenclature for peonies used to this day .
Plant type
peony are disunite into three independent types . Herbaceous peonies die back to the ground during winter month . The plants re - emerge in spring , usually after the risk of frost has go by , present tall , lean stubble that have normally digest a single blossom .
Tree peonies , unlike herbaceous peonies , do not die back to the undercoat . or else , they form woody tree - corresponding branches that survive the winter , with fresh leaves appearing in the spring .
Finally , there are Itoh peonies . These branch like tree diagram paeony , form rounded and bushy plants . However , like herbaceous peonies , the Itoh paeony dies back to the primer coat in winter .
Bloom Type
Bloom type is also used to identify a specific paeony . undivided peony have a few broad flower petal in a single whorl around very large and visible stamens in the center of the flower .
Japanese - type blossom are similar to I , except the fibril of the stamen in the middle of the rosiness are extremely heavy and prominent .
Semi - double peonies have blooms with multiple petaloids within the center of the flower . These are mixed in with the stamens .
The bomb calorimeter - type paeony has petaloids in the center of the bloom that are broader and more legion . The petaloids are still clearly separated from the outer safety petals .
The full doubled bloom of youth demonstrates a double-dyed modification in the center of the flower from stamen to another complete crown of petals . The center poll is so like to the outer petals that it is often unmanageable to distinguish the remainder .
Season
peony are also differentiated by the clock time of year they bloom . The time frames are divided as very early , take place in late May in most arena , early , mid - time of year and belated , which is usually late June . These time can vary , count on locating and climate conditions .
Color
Color is also used to sort out peony . The bloom comes in a kitchen stove of colors including red , pink , lily-white , coral , lavender , yellow , and even green . Multi - colored peonies are classified as blends .
