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Agastache 'Black Adder'

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Agastache 'Black Adder'
Description

Agastache 'Black Adder' is an upright,clump-forming giant hyssop that grows up to 90cm in height. A long lived and hardy perennial, it is a hybrid resulting from a cross between Agastache rugosum and Agastache foeniculum. It is noted for its long summer until first frost floral display of tubular, 2-lipped, deep smoky violet flowers that bloom in showy bottle-brush terminal spikes. Flowers appearing many-flowered whorls which are densely packed to form the flower spikes,from nearly black buds. The aromatic anise/licorice scented, lance-shaped to ovate leaves are blue green. Flowers are attractive to bees and butterflies and yet this plant defies rabbits, deer, slugs and virtually all sucking pests.

Cultivation Notes
Easily grown in average, medium, well-drained soil in full sun to part shade. Tolerates a wide range of soils except heavy, poorly drained ones. Prefers rich, moist soils in full sun. When foliage depreciates in autumn, plants may be cut to the ground.

Uses
Can be planted in most soil types. Use in mixed perennial borders, or can be grown as a container plant.

Pruning \ Aftercare : Remove faded flowers as required.