 | Herbstonne Black-Eyed Susan. The Herbstonne Black-Eyed Susan (Rudbeckia 'Herbstonne') is a summer-blooming perennial with a unique green cone that is surrounded by yellow petals! This giant Black-Eyed Susan is the tallest of the Rudbeckia and will grow to impressive heights! It does not need staking and holds its blooms upon sturdy stems for pollinators to light upon and stand tall in your wildflower bouquets! The 2-3 inch wide, showy, golden-yellow Daisy-like blooms show off from summer until frost! Cold and heat tolerant,... - Herbstonne Black-Eyed Susan. |
