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Cyperus longus

sweet galingale

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Reddish-brown flower-spikes on stiff stems in August and September held above arching clumps of glossy, bright green leaves. Cyperus longus is a stately marginal is suitable for growing in still, shallow water 15-30cm (6-12") deep or in boggy, moist soil in a sunny or partially shady border and is perfect for adding vertical interest, particularly in a large contemporary garden.

How to care for Cyperus longus:

Plant out in reliably moist or boggy soil, or pot up into a pond basket and place at the margins of a pond in shallow water no deeper than 30cm (12"). A low maintenance plant, wearing gloves, comb through and remove dead leaves and and spent flowers as necessary. Divide congested clumps in early spring every few years.
Flowering period:
  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
Eventual height:
1.5m
Eventual spread:
1.5m
Position:

Full sun / light shade

Rate of growth:

Fast-growing

Soil:

Reliably damp or boggy

Hardiness:

Fully hardy

  • InformationCAUTION toxic if eaten/skin & eye irritant

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