Eugenia cherry of the Rio Grande (Eugenia involucrata) is a slow growing fruit tree (or bush) which produces dark reddish-purple berries that both resemble and taste like cherries. Native to Brazil, the cherry of the Rio Grande can be eaten fresh, used for jellies and jams, or frozen. Also known as big river cherries, these exotic fruit trees can be container grown and young trees are available online.The Rio Grande cherry ‘Eugenia Aggregata or Eugenia involucrata’ is an evergreen shrub originally from Brazil that brings small fruits from dark red to purple and sweet taste like cherry. Rio Grande cherries are easy to cultivate and require relatively little maintenance for the growth of healthy and productive plants.Eugenia cherry of the Rio Grande (Eugenia involucrata) is a slow growing fruit tree (or bush) which produces dark reddish-purple berries that both resemble and taste like cherries. Native to Brazil, the cherry of the Rio Grande can be eaten fresh, used for jellies and jams, or frozen. Also known as big river cherries, these exotic fruit trees can be container grown and young trees are available online.