Robann Royal Dahlia produces stunning 4-inch lavender-purple blooms with a classic ball form, reaching heights of 5 feet at maturity. This vigorous variety delivers abundant, full flowers ideal for cutting gardens and floral arrangements. Plant tubers in well-draining soil after the last frost, spacing 18-24 inches apart. Provide full sun and consistent moisture for optimal blooming throughout the season. A reliable performer for both experienced growers and dedicated gardeners seeking premium dahlia specimens.
How To Plant Dahlias
To get your dahlias started, pick a sunny spot with soil that drains well. Dig a hole, lay the tuber flat, and cover it with soil about 3 inches deep. Hold off on watering for now. Once you spot some sprouts and a few leaves, it’s time to water, but keep it gentle to prevent root rot. It’s a smartto put the stake next to the tuber at the same time of planting, so you don’t accidentally damage it later on.
As the season goes on, give your dahlias some love with fertilizer and insect sprays to help them bloom beautifully and grow strong. In the fall, dig up the roots and store them over winter.
