Can you suggest a source and type of tree to pollinate with my Baldwin semi-dwarf apple tree to produce fruit? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: I bought a Baldwin semi-dwarf apple tree not realizing I needed two trees to produce fruit. Can you suggest a source and type? Answer: Jonathan Foster, Home Horticulture Outreach Professional Baldwin apples are triploid and have sterile pollen, so they can’t pollinate other trees–but they can be pollinated in return. I would reach out to read more