Hand weed to start then, when established, You can apply salt in spring -this will kill most things except asparagus. Oz/sq yd.

I apply a heavy mulch in winter, and I found that it got easier -as now the sheer volume of ferns crowds out most things anyway.

Bindweed a drag- grow it up canes, then put it in a bag and spray in glyphosate. laccy band ..presto

I definitely wouldn't want to move them as it will then take a further 2 years till they are established

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