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Knoll Gardens

November 2023

Garden and Nursery are currently open Wednesday to Saturday 10am – 4pm.

Due to current volumes mail orders are being despatched within 7 working days.

Eupatorium Riesenschirm


Beautiful, slightly more compact form of Joe Pye Weed with dark stems and large heads of purple flowers in summer. Magnificent large perennial that is always popular with pollinators. Best in sunny open position. Soil not too dry. Height 1.8m – 2.1m.

Also known as Eutrochium Riesenschirm.

148 in stock

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Useful information: Please read before ordering, Terms & Delivery

Plant Information

  • How many plants will I need?
    1-3 Plants Per Square Metre
  • Pot size:
    2 Litre

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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