Brief summary
Modern Rose, polyantha "Royal White Optima ®", Netherlands, Usually is white in color, cupped bloom shape, very full petal count, blooms 4 - 5 cm in size, has 3-5 buds per stem, repeat rebloom, has light fragrance, the bush shape can be spreading, 40 - 50 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.