AGASTACHE foeniculum 'Black Adder' 9cm

Take advantage of our perennial special offer! Add 6 selected perennials to your basket and receive the cheapest one for free. Exclusions apply. Limited time only.

Agastache ‘Black Adder’ produces tall spikes of deep violet blue flowers above aromatic foliage. Its upright habit makes it ideal for adding height and structure to sunny borders. A favourite for pollinator friendly planting.

Quick Facts

• Sunlight: Full sun

• Soil: Well drained soil

• Flowering time: July to September

• Height and spread: Around 70 to 90cm tall and 45cm wide

• Hardiness: Hardy perennial

• Wildlife: Attracts bees and butterflies

This perennial is herbaceous, it dies back to below ground level each year in autumn, then fresh new growth appears again in spring. Depending on the time of year you order, the plant may arrive looking different to our photos. Please plant as normal.