caucasicum hybrid 'Cunningham's White' |
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| Parentage: | caucasicum x ponticum var. album, J. Cunningham, 1830. |
| Habit: | Dense, spreading habit. Height 1.6 m in ten years, but in Finland growth above snowline is easily killed. |
| Flowers: | White flowers with yellow, green or brown markings. Flower size 5.5 cm. |
| Leaves: | Dark green leaves. |
| Cold Hardiness: | -8°F, -22°C. This temperature is more realistic in Finland than the usually given -15°F, -26°C. |