Pæonia is the only genus in the family Peoniacee and it includes both herbaceous, perennial species which grow up to 1 meter and deciduous shrub which grow up to 2 meters. All species are characterised by abundant and fragrant bloomings which last about 3 months per year, from April to July. Peonies are consideres to be a symbol of prosperity and good omen because of their flowers filled with petals.