How To Grow Rudbeckia. Soil should be damp at about 1 inch below the soil surface. Rudbeckias grow perfectly in positions in either full sun or light shade.
Perennial black-eyed Susan has an orange coneflower. Transplant recommended - Sow into 72 to 50-cell plug flats 5-7 weeks before last frost. Giant coneflower Rudbeckia maxima Black-Eyed Susan Varieties to Grow.
Cut back the dead flowers for a chance at a second smaller bloom in the fall.
While they tolerate most growing conditions they thrive in well-drained moist fertile soil. But take care to not plant them too deep. Sow seed in early spring and keep seedlings under cover until large enough to handle and pot on then harden off after danger of frost has passed. Water regularly especially until it is established.