Quince (Cydonia oblonga) is an old world fruit closely related to apples and pears. The fruit ripens in mid-fall and contain high levels of pectin, so are ideal for using in jams and preserves. The trees are attractive while in bloom and grow to about 15' tall at maturity. Hardy in USDA zones 4-9. For more on growing quince and the cultivation history of this fruit, see our article here.