Rudbeckia fulgida var. sullivantii ‘Goldsturm’
Black-eyed Susan. A deciduous perennial which has broadly ovate to narrowly ovate-lance-shaped, coarsely toothed, dark green leaves. In July, large, golden yellow flowerheads, 9-12cm across are borne.
Grow in moderately fertile, preferably heavy but well-drained soil which does not dry out, in full sun or partial shade. It will reach a height of 60cm.