Blueberry Grape Tart, Iriswarehouse, hybridizer, Grumbine, R. 2008, TB, 36" (91 cm), Midseason bloom. Standards dark blue-purple, blackish sheen in folds, light red-violet at base; falls dark blue-purple, maroon brown veins on white ground flow into red violet pool below hafts; beards yellow in throat, blue red-violet in middle, dark blue at end; slight spicy fragrance.