Hello
I have just bought a P.Nigra at a local garden centre. Stupidly I picked one up without a price and when I got to the till it was £90! I was too embarrassed to decline, so I bought it.
I'm wondering if it's too late in the season for dividing? The garden centre have trimmed the plant down to about 4ft for some reason. Should I wait til next spring?
Thanks
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