Rudbeckia laciniata
Prefers moist soil but grows well in average, medium, well-drained soil in full sun to part shade. Can spread aggressively by underground rhizomes so is more suitable to large gardens. To keep the plant under control, divide clumps and deadhead old flowers to encourage rebloom. To prevent garden escapees, avoid planting near disturbed bushland or coastal reserves, regularly prune seed heads and dispose of garden waste responsibly.