Dahlia Mystic Illusion ('Knockout') has gorgeous, bright yellow blooms that pop against its rich, dark purple (nearly black) foliage. Mystic Illusion is well branched and makes a strong statement in beds, borders, and containers. This knockout selection has Dr. Hammett's trademark fashionable filigreed deep mahogany to black foliage topped with zesty yellow sunflower like blooms with an elegant dark central disc. Perfect for easy care low maintenance modern containers on the deck or patio, or as a medium sized accent plant in the garden / modern landscape. Best grown in full sun in rich moister retentive soil. Dies down in winter before erupting again the following spring.