Black-Eyed Susan Rudbeckia Description Varieties we have grown:Rudbeckia hirta (Native to Ontario)Rudbeckia fulgida 'Goldsturm'Blooms large golden-yellow flower with a black centre.Bloom Period: July to SeptemberGrowth Habit: Upright and clumpingMature Height: 2’ (60cm)Mature Spread: 2’ (60cm)Growth Rate: Fast More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 3Attracts bees, hummingbirds and butterfliesDeer resistantHeat and drought tolerantCut flowerLandscape Uses: Border/edging and garden accent