Caption: "Rosa 'Radrazz', 2016, KNOCKOUTā¢ Shrub Rose, ROE-zuh, 3x3 ft Rose, USDA Hardiness Zone 5, bright red double, Bloom Month 6a, In Garden Bed Y1 for 19.4 yearsHave several grouped in this area. Disease resistant. Single, lightly fragrant, cherry-red roses