Agastache 'Black Adder'

Agastache ‘Black Adder’ is a captivating perennial renowned for its dramatic dark foliage and vibrant flower spikes, making it a standout choice for contemporary and traditional Irish gardens alike. This variety combines bold architectural form with a long flowering season, attracting pollinators and adding vivid colour from midsummer through early autumn.

Growing to around 60cm tall, Agastache ‘Black Adder’ features deep purple-black leaves that provide striking contrast against its slender spikes of tubular, bright purple flowers. The nectar-rich blooms are highly attractive to bees, butterflies, and hummingbirds, helping to support local biodiversity.

This hardy perennial thrives in well-drained soil with a sunny or partially shaded position. It is drought-tolerant once established and requires minimal maintenance, making it ideal for gardeners seeking a tough yet ornamental plant.

Key Features:

• Height: approximately 60cm

• Dark purple-black foliage with bright purple flower spikes

• Long flowering period from midsummer to early autumn

• Prefers well-drained soil in full sun or partial shade

• Drought-tolerant and low-maintenance

• Attracts pollinators including bees and butterflies

Add Agastache ‘Black Adder’ to your Irish garden for a bold splash of colour and texture — perfect for borders, containers, or wildlife-friendly planting schemes.