Calamagrostis × acutiflora 'Overdam'

feather reed grass

2 litre pot
pot size guide
£9.99 Buy
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  • Position: full sun
  • Soil: dry or moist, humus-rich soil
  • Rate of growth: slow-growing
  • Flowering period: June to August
  • Hardiness: fully hardy

    A tall, dramatic grass with an upright, architectural habit, this will stand to attention in a perennial border, or can be planted en masse as a screen. Fine leaves initially have yellow margins, which fade to white as the flowers emerge. Both the leaves and flowers turn a wonderful wheat colour in late autumn and should be left to add winter interest in the garden.

  • Garden care: Although they can be planted in light shade, the flowers of Calamagrostis cultivars tend to fall over without sun. Cut ‘Overdam’ down to the ground in late winter, before the new shoots start appearing.

Achillea ptarmica (The Pearl Group) 'The Pearl' (clonal)


Masses of snow-white, button flowers

£8.99 Buy

Eryngium yuccifolium

button eryngo

Distinctive strap-shaped foliage

£6.99 Buy

Echinacea purpurea 'Magnus'


Copes well with adverse weather conditions

£5.99 Buy

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1 Question | 1 Answer
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  • Q:

    I'd like to put 'Overdam' at the back of a large planter to add height and hide the fencing behind. How long does it take to reach full height, and how tall will it come in the 2litre pots? I have looked at the Karl Foerster variety which is faster growing but it is too tall as I'm looking for 1.2-1.5m in height
    Asked on 2/2/2015 by lilynymph from London

    1 answer

    • Plant Doctor


      Hello there
      This grass in a 2lt pot won't look anything at this time of year having been cut down in the autumn.
      It can take between 2-5years to reach maturity, but this does depend on the growing conditions such as light, water, nutrients etc.
      Hope this helps.

      Answered on 3/2/2015 by Anonymous from crocus
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