The Cupid cherry has the largest fruit of the Romance series developed by the University of Saskatchewan. The fruit is dark red to black when ripe, sweet and slightly tart with a Brix sugar content of  18-19. It is excellent for fresh eating, jams, and baking. It is a hardy, self-fertile shrub with large, juicy fruit that's easy to pit. 
Key Characteristics
Size: Largest of the Romance series cherries.
Taste: Sweet with a pleasant tang, combining sweet and sour notes.
Fruit: Large (around 6.5g), dark red with crimson flesh, and an easy-to-remove pit.
Plant Type: A compact, non-suckering shrub or small tree, reaching 5-8 feet.
Hardiness: Extremely cold-hardy (to -40°F).
Pollination: Self-fertile, meaning one plant is enough for fruit.
Uses: Ideal for fresh eating, baking, making juice, and jams.