Common name: Hummingbird Mint
Family: Lamiaceae (mint family)
Description:
‘Blackadder’ is a striking, long-blooming perennial prized for its deep violet-purple flower spikes and aromatic foliage. It forms an upright, clump-forming mound of dark green, lightly toothed leaves that release a pleasant anise-mint fragrance when brushed.
Flowers:
- Tall, slender spikes of rich purple to indigo tubular blooms
- Highly attractive to bees, butterflies, and hummingbirds
- Extended bloom period from early summer through fall
Size:
- Height: 24–36 inches (60–90 cm)
- Spread: 18–24 inches (45–60 cm)
Growing Conditions:
- Prefers full sun
- Thrives in well-drained soil; drought tolerant once established
- Avoid overly wet or heavy soils, especially in winter
Hardiness:
- USDA Zones 5–9 (may benefit from winter protection in colder areas)
Care Tips:
- Deadhead to encourage continued flowering
- Cut back in early spring before new growth emerges
- Excellent for borders, cottage gardens, pollinator gardens, and containers
‘Blackadder’ adds vibrant color, vertical interest, and pollinator value to sunny garden spaces while remaining relatively low maintenance.
