Agastache Black Adder

Out of Stock


Lovely form of Giant Hyssop with aniseed scented foliage and upright spikes of lilac blue flowers loved by many pollinators. Needs sunny well drained spot to do well. Height 80cm – 1m.

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Out of stock

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We are busy producing the next batch of this plant and we expect it to be in stock by Autumn 2024.

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Plant Information

Pot Size

2 Litre

How many plants will I need?

3 – 5 Plants Per Square Metre


These flowering perennials are Deciduous: Cut back stems close to ground level from late February through to the end of March. Cut stems can be left on border as natural mulch or composted.

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