When is the best time to move delphiniums? I have a magnificent clump, growing in a sunny border for many years, which is the envy of everyone who sees it. I’d like to lift and divide it, but don’t want to lose it by doing it at the wrong time of year.
Alice H, Co Carlow
This stately, hugely decorative herbaceous perennial is a classic back-of-border plant with impressively tall
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