The Tree of Life isn’t mentioned again in the Old Testament, although per Learn Religions there are tree-of-life images throughout the Old and New Testaments. It comes up again in the New Testament in Revelations where it is said to be open again to all who have converted to Christianity. As quoted by Open Bible, “He who has an ear, let him hear what the Spirit says to the churches. To the one who conquers I will grant to eat of the tree of life, which is in the paradise of God.” There is also the proclamation “Blessed are those who wash their robes, so that they may have the right to the tree of life and that they may enter the city by the gates.” Learn Religions explains that this refers to those who have been “washed in the blood of Christ.” Jesus was “the new Adam” and those who asked for their sins to be forgiven in the name of Jesus were allowed access to the tree of life. 

Per Crosswalk, the tree of life produces not one but twelve different crops for people to consume and its ongoing yield shows the newness of Heaven. According to William Hendriksen, the term “tree of life” is meant to be collective, referring to “an entire park, whole rows of trees,” which explains why the tree of life has many different kinds of fruit: “Through the middle of the street of the city; also, on either side of the river, the tree of life with its twelve kinds of fruit, yielding its fruit each month.”