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Posted by Turner (U15193327) on Monday, 19th March 2012
I have lovely purple campanula on a rockery. However there is always grass growing through it. It takes me ages to pick it all out.
Any ideas on how to get rid of it.
Thanks
Now would be a good time to tackle the job. Dig up the plant and remove all the grass from it by pulling it from the bottom removing the roots and the stems. Then dig through the remaining soil thoroughly to remove all trace of the grass. If it is couch grass iandyou leave any tiny piece of root, the grass will regrow. You can either replant it in the same place or on another part of the rockery. A fiddily job but very satisfying.
The solution recommended above will only work if you have just a few plants affected. If you've got a large patch of plants with grass in, then that amounts to replacing part of your garden.
There are other strategies.
You could do adopt a strategy that was shown on GW early last year, where one garden owner was relaxed about grass growing through plants, and just 'pulled the tops off the grass like a grazing cow'.
The Americans have a wonderful solution to exactly this problem. It's a herbicide called 'Grass Be Gon'. It kills grass, but does not harm other plants. I have not noticed this product available in UK garden centres, though I haven't looked very hard, and it could be sold under another name here.
Sorry, but weedkillers which only target grass are no longer available in the UK. Annoying but there it is. Actually it does something like Campanula no harm to be dug up and replanted with a little fresh compost. they are quite greedy feeders and often do best where they can wander about looking for fresh food.
Thank you so much to all who answered. Very helpful.
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