| Aspect | Description |
|---|---|
| Common Name | Black Adder Hyssop |
| Scientific Name | Agastache 'Black Adder' |
| Description | Agastache 'Black Adder,' commonly known as Black Adder Hyssop, is a stunning perennial herb with aromatic leaves and striking, dark-purple flower spikes. This plant is a member of the mint family (Lamiaceae) and is known for its attractive and fragrant foliage. It is highly attractive to pollinators, including bees and butterflies. 'Black Adder' blooms from mid-summer to early fall, adding vibrant colour and a delightful fragrance to the garden. |
| Flowers | Dark-purple flower spikes that rise above the foliage and attract pollinators like bees and butterflies. Blooms from mid-summer to early fall. |
| Growth and Height | Agastache 'Black Adder' typically reaches a height of 24 to 36 inches (60 to 90 centimetres) and has a bushy, upright growth habit. |
| Habitat and Growing Conditions | This plant thrives in well-drained soil with excellent drainage and prefers full sun for optimal growth. It is relatively drought-tolerant once established and can adapt to a variety of soil types. |
| Hardiness | Hardy in the UK within reason, will not tolerate very harsh temperatures |
| Maintenance | Low-maintenance plant. Deadheading spent flowers can encourage prolonged blooming. Pruning in early spring can help maintain its shape and promote bushier growth. |
| Uses | Agastache 'Black Adder' is a valuable addition to gardens, particularly those designed to attract pollinators. It can be used in mixed borders, pollinator gardens, and herb gardens. Its aromatic foliage can also be used to make teas and culinary dishes. The dark-purple flowers add a splash of colour and provide nectar for bees and butterflies. |
| Caution | None to note. |