I'm helping out a couple of friends with some gardening. They have a large flax that needs dividing and replanting but I know next to nothing about how to deal with one that size. It is about 5ft high!

Anyone know how deep the roots grow? It's planted on rubble with shallow soil over the top.

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You are a child of the universe,
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you have a right to be here.
Max Ehrmann, Desiderata

blog: http://allyheebiejeebie.blogspot.com/ and my (basic!) page: http://www.allythegardener.co.uk/