Delphinium 'Black Knight'
Majestic deep violet-blue spires reaching up to 1.8m. Stunning at the back of borders.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H7 — below −20°C.
Flowering: Jun, Jul, Aug.
Majestic deep violet-blue spires reaching up to 1.8m. Stunning at the back of borders.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H7 — below −20°C.
Flowering: Jun, Jul, Aug.