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Knoll Gardens

Agastache Black Adder

£7.99

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

142 in stock

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Plant Information

  • Pot size:
    2 Litre
  • How many plants will I need?
    3 - 5 Plants Per Square Metre

Plant Care

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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