Digitalis ferruginea "Gelber Herold" (Rusty Foxglove)
Digitalis ferruginea "Gelber Herold," (Yellow Harbinger), is a perennial foxglove from the Balkans. Its tall spires of yellow-red flowers are veined in rusty red on the inside. Growing up to five feet, this perennial foxglove could easily be the focal point and star of the garden. "Rusty Foxglove" has a long blooming period in sun or part shade and well-drained soil. Zones 4-9. Quarts.