Cornus 'Ascona' is a crossbreed between Cornus florida and Cornus nuttalli. 'Ascona's leaves are similar to nuttalli's and are egg shaped, shiny dark green and of a leather-like texture. 'Ascona' attains a beautiful autumn dress of shades of purple and red and slightly curling leaves. Its flowers are similar to Cornus florida and have white bracts. 'Ascona' can reach a height of 6-7.5m. Its branches hang, which gives the tree a weeping willow-like appearance. A blossoming tree is a beautiful sight to see. Cornus 'Ascona' grows under the same conditions as its parents and is winterproof.