Introduced in 1876. Large purple-blue flowers have a silvery reverse and red anthers. Reblooms in the fall.
| Scientific Name: | C. 'The President' |
| Zone: | 4 |
| Light: | Sun |
| Height: | 8-10' |
| New Shape: | Vine |
| Foliage: | Green |
| Flower: | Blue-violet |
| Bloom Time: | May-Jun, Aug-Oct |
