Black Knight Delphinium Seeds – Flower Plant
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Black Knight Delphinium Seeds
Black Knight Delphinium is a tall flowering perennial valued for its deep violet-purple flower spikes and upright growth habit. It is suitable for cottage gardens, borders, cutting gardens, and ornamental landscape plantings where vertical color and seasonal floral displays are desired.
Key Features
Deep Purple Blooms
Produces striking flower spikes that create dramatic garden displays.
Upright Growth Habit
Develops tall stems suitable for background plantings and borders.
Cut Flower Suitable
Long flower spikes are suitable for fresh floral arrangements.
Landscape Versatility
Suitable for cottage gardens, mixed borders, and ornamental beds.
Product Highlights
Specifications
| Scientific Name | Delphinium elatum |
| Common Name | Black Knight Delphinium |
| Seed Type | Flower Seed |
| Growth Habit | Upright Flowering Perennial |
| USDA Zones | 3–8 |
| Planting Season | Spring, Fall |
| Growing Season | Spring Through Summer |
| Sowing Season | Spring, Fall |
| Sowing Months | March–May, September–October |
| Germination Time | 14–28 Days |
| Germination Conditions | 60–65°F (16–18°C) |
| Sunlight | Full Sun |
| Soil | Well-Drained Fertile Soil |
| Watering | Moderate |
| Mature Size | 48–72 in Tall × 18–24 in Wide |
| Plant Spacing | 18–24 in Apart |
Growing Guide
Suitable For Borders, Cottage Gardens And Cut Flower Displays
Black Knight Delphinium is grown for its tall flower spikes and deep purple blooms. It is suitable for ornamental borders, cottage gardens, landscape beds, and cutting gardens where strong vertical accents and seasonal floral color are desired.