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Monbrechia

spiddockspiddock Posts: 25
When and how do I cut this back , it's finished flowering.?

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  • DovefromaboveDovefromabove Central Norfolk UKPosts: 63,816
    I don’t cut it back ... it looks horrid if you do ... I just wait for the leaves to die back and then pull them and compost them. 
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • ObelixxObelixx Vendée, Western FrancePosts: 21,852
    Crocosmia/montbretia are corms so, as with spring bulbs, you need to leave the leaves on as they make the food/energy stores that the plant will use to make flowers next year.    If you want, you can lift and divide the clump next spring and this will give you more plants and also invigorate them.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • spiddockspiddock Posts: 25
    Great thanks 
  • LynLyn DevonPosts: 16,484
    Here in my garden they grow like mad and spread so I start now by pulling the whole thing out from the ground, corm as well, they’re tough, I grasp them, one at a time in both hands and give a short sharp tug.
     If you leave them until the leaves die back they don’t come up with the corm, it’s up to you what you want from them. 
    Gardening on the wild, windy west side of Dartmoor. 

  • ObelixxObelixx Vendée, Western FrancePosts: 21,852
    edited 1 September
    Depends whether you want to keep them or control their spread!

    The RHS certainly advises not planting the common varieties anywhere they can escape into the countryside as they will out compete the native flora.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • LynLyn DevonPosts: 16,484
    They grow wild on the hedgerows in Cornwall, what competes for wild flowers here is the horrible, rotten Bracken, our hedge rows along the lane are full of it and the flower’s have almost gone. 
    Gardening on the wild, windy west side of Dartmoor. 

  • ObelixxObelixx Vendée, Western FrancePosts: 21,852
    I expect other things would have been there before the crocosmia escaped as it' definitely not a native.   There's increasing bracken here too and fewer bluebells and wild primroses.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • FairygirlFairygirl west central ScotlandPosts: 34,041
    Very early for it to be finished if it's the common montbretia. They're only just flowering here in mid August. Perhaps weather this year has forced them a bit.
    The cultivated ones aren't usually too vigorous, but if that is a named variety, and has no other competing planting around, it could get quite big  and spread.

    I do the same with mine, I leave them to die back, but if you have other planting in front, it hides the old foliage, and solves the problem of untidy stems.
    Might be worth lifting and dividing it, and trying that @spiddock. You could maybe push them to the back of the border a bit, and get something in front of them  :) 
    It's a place where beautiful isn't enough of a word....


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