Unknown - Tell us
This plant is said to grow outdoors in the following regions:
Amelia Court House, Virginia
Flowers are deep warm red-orange, very full, quartered, old fashioned form. Habit is dense and well-branched from the base...Read More. Highly resistant to black spot and mildew. This is grown without fungicide in the New York Botanical Garden and there it does not defoliate. Baden-Baden Silver Medal 2011. The cultivar name is 'KORmarkron'. "Out of Rosenheim" is a proprietary trade name.
Flowers are deep warm red-orange, very full, quartered, old fashioned form.
Habit is dense and well-branched from the base...Read More