Brief summary
Modern Rose, floribunda "Red Diadem", Germany, introduced by Rosen Tantau in 1991, Usually is red in color, cupped bloom shape, blooms 5 - 9 cm in size, has 5-10 buds per stem, repeat rebloom, has light fragrance, the bush shape can be arching, 40 - 90 cm in height, suitable for USDA zone 6 from -23°C and above, moderate resistance to rain, moderate resistance to black spot, moderate resistance to mildew.