The striking, white-tipped, fuchsia-red blooms of Zachary Robert dahlia (Dahlia 'Zachary Robert') bring stunning, long-lasting color to any garden. This formal decorative cultivar grows to 4 feet in height and produces regular 4-inch blooms suitable for cutting. With regular deadheading, dahlias will bloom from early summer up until frost. Grow this dahlia in humus-rich, well-drained soil in full sun.