Mollis hybrid, x kosterianum 'Koster's Brilliant Red' |
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| Parentage: | Mollis hybrid, a complex group of crosses mainly between R. molle ssp. molle and ssp. japonicum, M. Koster & Sons, 1918. |
| Habit: | Upright rounded habit. Height 120 cm in ten years. |
| Flowers: | Brilliant orange-red flowers. Flower size 6 to 7.5 cm. |
| Cold Hardiness: | -15°F, -26°C. |