That was something I learnt on here - for some reason I had been nervous about doing anything to ferns. Consequently divided a Dryopteris filix-mas quite aggressively, replanted in several places around the garden and all are thriving 👍🏼
'If you have a garden and a library, you have everything you need.'
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Ferns are among the easiest of plants to move around.
I live in west central Scotland - not where that photo is...
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.