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Most impressive, Delphinium Black Knight Group (Candle Larkspur) is a perennial with sturdy flower spikes, densely packed with semi-double, dark purple, almost black, flowers adorned with black eyes.
- Type: Perennial
- Zone: 4 to 8
- Height: 5-6 Feet
- Spread: 2-3 Feet
- Bloom Time: May to June
- Bloom Description: Dark Purple
- Sun: Full sun to part shade
- Water: Medium
- Maintenance: Low
- Suggested Use: Cut Flower
- Flower: Showy
- Leaf: Colorful