Rudbeckia plant named ‘ET-RDB 03’

摘要

A new and distinct cultivar of Rudbeckia plant named ‘ET-RDB 03’, characterized by its compact, upright to outwardly spreading and mounded plant habit; freely branching growth habit; relatively small leaves; freely flowering habit; single-type inflorescences with dark reddish bronze-colored ray florets and dark purple-colored disc florets positioned above the foliar plane on strong peduncles; and good postproduction longevity.