Peony

Peonies are flowering plants of the genus Paeonia, the only genus in the family Paeoniaceae. About 30 to 40 species are currently recognized, native mainly to Europe and Asia, with one species naturally occurring in western North America. Peonies may be herbaceous plants that die back to the ground each year, or woody shrubs with persistent stems. Their leaves are often deeply divided, and their large flowers can be white, pink, red, or shades between them, depending on the species and variety.

Each flower has numerous stamens surrounding the central carpels. After pollination, some species produce dry fruits that open to release relatively large seeds. Peonies are generally long-lived and can remain in gardens for many decades when growing conditions are suitable. Peonies are pollinated mainly by insects, including bees and other flower visitors attracted by pollen, nectar, and floral scent.

Several species are cultivated as ornamental plants, and numerous garden varieties have been selected for differences in flower color, form, and size. Herbaceous peonies are commonly planted in temperate gardens, while tree peonies are woody plants that retain their stems above ground during winter. Peonies prefer well-drained soil and sufficient sunlight, although exact requirements vary by species.

Their flowers are also used as cut flowers, but the plant has a different role in traditional medicine in some cultures. Certain Paeonia species have been used in traditional remedies, particularly in East Asia, but traditional use does not by itself establish medical effectiveness. Today, peonies are valued mainly as ornamental plants and are notable for their longevity, varied flower forms, and diversity of growth habits.