Schoenoplectus lacustris

20 May

Schoenoplectus lacustris (15/08/2015, Kew Gardens, London)

Schoenoplectus lacustris (15/08/2015, Kew Gardens, London)

Position: Full sun to light shade

Flowering period: Summer

Soil: Poorly drained/ wet (to 30cm deep)

Eventual Height: 3m

Eventual Spread: 1m

Hardiness: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a

Family: Cyperaceae

Schoenoplectus lacustris Flower (15/08/2015, Kew Gardens, London)

Schoenoplectus lacustris Flower (15/08/2015, Kew Gardens, London)

Schoenoplectus lacustris is a tufted evergreen, grass like water perennial. Its grey green leaves are stems which are round in cross section and up to 1.5cm in diameter. Its upper stem may produce a short blade. Its small brown flowers appear at the ends of the leaf stems as a terminal head of several branches  consisting of many compact clusters of egg shaped spikelets. Its roots are rhizomes from which this plant spreads.

Schoenoplectus lacustris Leaf (15/08/2015, Kew Gardens, London)

Schoenoplectus lacustris Leaf (15/08/2015, Kew Gardens, London)

Schoenoplectus lacustris, commonly known as Common Club-Rush or Bullrush, is native to most temperate regions of the northern hemisphere including the UK. In its natural habitat it occurs in slow moving rivers, bogs, shallow pond margins and it occurs in stands.

Schoenoplectus lacustris Flower Bud (05/05/2012, Kew, London)

Schoenoplectus lacustris Flower Bud (05/05/2012, Kew, London)

The etymological root of the binomial name Schoenoplectus is derived from the Greek schoinos meaning ‘rush’ and plektos meaning ‘twisted’. Lacustris is derived from the Latin lacus meaning ‘lake’.

The landscape architect may find Schoenoplectus lacustris useful for UK native wetland planting schemes, at the edges of lakes, ponds or slow moving rivers.

Ecologically, Schoenoplectus lacustris is valuable along fresh water shorelines helping to buffer against water erosion.

Schoenoplectus lacustris prefers wet, poorly drained, fertile soils. It tolerates most pH of soil. It will tolerate a water depth to 30cm.

Schoenoplectus lacustris requires little maintenance.

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Landscape Architecture

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