Rudbeckia subtomentosa 'Henry Eilers'Deciduous flowering perennial black-eyed-Susan producing striking bright yellow 3" daisies with recurved petals on 3-5' stems for several months in summer. A favorite of butterflies, especially Monarchs. Prefers average soils where it will grow to form a 2-3' wide clump in time. Plant in full sun to half sun. Give good drainage. Easy to grow. Makes a good cut flower. Deer resistant. USDA zones 4-8 in cold hardiness.