Product Description
Agastache 'Black Adder' is a stunning variety that produces tubular flowers of a smoky lilac that open from dark purple buds in July through to September. The pretty flowers sit above scented foliage in a bushy compact habit so we recommend planting in areas where they will be enjoyed such as the front of the border, in containers near doors and on patios. Winner of the prestigious RHS Award of Garden Merit, 'Black Adder' also make wonderful cut flower displays where these unique blooms will add interest to bouquets within the home. A perfect choice for encouraging wildlife into the garden where butterflies and bees are attracted to the area. A hardy and reliable perennial, they will thrive in well-drained, fertile soil where they will reach an eventual height of 75cm. 9cm pot plants supplied.
Plant Size
Mature Height | 75 cm |
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Mature Spread | 35 cm |
Plant Spacing | 30 cm |
Planting Notes
Planting | Plant with soil firmly surrounding the roots. |
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Soil Type | Well drained fertile soil. |
Growing at a glance…
Make sure the roots are not allowed to dry our once planted and take some care to protect from strong winter winds/frost.Plant in well prepared, fertile and well drained garden soil. Can tolerate a sunny or partial shaded area.