 Four fossil seeds of "Hydrangea polonica" have been extracted from borehole samples of the Middle Miocene fresh water deposits in Nowy Sacz Basin, West Carpathians, Poland.Hydrangeas are popular ornamental plants, grown for their large flowerheads, with "Hydrangea macrophylla" being by far the most widely grown with over 600 named cultivars, many selected to have only large sterile flowers in the flowerheads.Hydrangea macrophylla, also known as Bigleaf Hydrangea, can be broken up into two main categories; Mophead Hydrangea & Lacecap Hydrangea.