The Dahlia ‘Black Narcissus‘ is a striking semi-cactus cultivar famous for its dramatic, spiky petals in deep, velvety burgundy-black shades. Blooming from midsummer until the first frost, it grows 36 to 48 inches tall, making it a spectacular focal point for borders or cutting gardens. [1, 2, 3, 4, 5]
Key Cultivar Details
- Flower Type: Semi-cactus / Cactus; reaches up to 6 inches in diameter.
- Color: Dark, almost black-red or maroon.
- Height: 90 to 120 cm (36 to 48 inches).
- Bloom Time: Mid-summer (July) through the first frost.
Planting and Care Guide
- Spacing: Place tubers 45–60 cm (18–24 inches) apart. [1]





