Caption: "Clematis 'The President', 2015, Queen of the Vines [Clematis], KLEM-uh-tiss, 8-12 ft Vine, group B2, Z5, Blue, Bloom Month 5c,9, In Bed f2.06.0 for 6.0 years Old favorite. 6-8"" (15-20cm) deep purple-blue flowers with striking red tipped stamens. Mature