Black Adder Hyssop

Black Adder Hyssop (Agastache 'Black Adder')

Black Adder Hyssop (Agastache 'Black Adder') is a standout perennial known for its long-lasting spikes of deep violet-blue flowers that attract pollinators from midsummer to fall. With aromatic foliage and an upright growth habit, this variety is ideal for adding color, texture, and wildlife appeal to borders, meadows, and pollinator gardens.

Distinctive Features

Black Adder Hyssop produces dense flower spikes in deep blue-violet hues that contrast beautifully against its dark green, anise-scented foliage. A favorite among butterflies, bees, and hummingbirds, this variety thrives in warm, sunny locations and is highly drought-tolerant once established.

Growing Conditions

• Sun Exposure: Prefers full sun for best flowering and growth.
• Soil: Requires well-draining, moderately fertile soil; tolerates poor soils.
• Water: Drought-tolerant once established; water moderately during dry spells.
• Humidity: Thrives in dry to moderately humid climates.
• USDA Hardiness Zones: 5-9, making it suitable for a wide range of regions.

Ideal Uses

• Garden Borders: Adds height, color, and movement to mixed plantings.
• Pollinator Gardens: Attracts bees, butterflies, and hummingbirds.
• Meadow & Cottage Gardens: Blends well with other sun-loving perennials.
• Cut Flowers: Long-lasting spikes add interest to floral arrangements.

Low Maintenance Care

Black Adder Hyssop is an easy-care perennial that thrives with minimal attention once established.

• Watering: Water deeply but infrequently; prefers drier conditions over excessive moisture.
• Pruning: Deadhead spent flowers to encourage reblooming and cut back in late fall or early spring.
• Fertilizing: Requires little to no fertilization; avoid rich soil to prevent legginess.
• Pest Resistance: Deer and rabbit resistant due to aromatic foliage.

Why Choose Black Adder Hyssop?

Black Adder Hyssop is valued for its vibrant blooms, aromatic foliage, and strong attraction to pollinators, making it a standout choice for a variety of landscapes.

• Long Blooming: Provides color from midsummer through fall.
• Drought Tolerant: Thrives in dry, well-draining soil with minimal watering.
• Pollinator Magnet: Draws bees, butterflies, and hummingbirds.
• Low Maintenance: Hardy, adaptable, and resistant to browsing wildlife.

For a reliable and pollinator-friendly addition to any garden, Black Adder Hyssop (Agastache 'Black Adder') is an excellent choice.