Brief summary
Modern Rose, grandiflora "Roundelay", United States, introduced by Herbert C. Swim in 1954, Usually is burgundy in color, high-center (point) bloom shape, full petal count, blooms 10 cm in size, has 1-3 buds per stem, continual rebloom, has moderate fragrance, the bush shape can be upright, 100 - 120 cm in height, 90 cm in width, suitable for USDA zone 6 from -23°C and above, strong resistance to rain, moderate resistance to black spot, strong resistance to mildew.