The Annona Montana, or Annona marcgravii also called soursop mountain or cimarron soursop, is another tougher alternative something cold climate soursop (Annona muricata). The seeds, leaves and stems of Annona montana have a large number of acetogenins in content, that proved to have some anti-tumor activities against human cancer cells. We have used as a rootstock for Annona muricata, now available for sale. Although edible, the taste quality of the fruit is not exactly your forte, not being considered by us a fruit dessert.