Divide summer perennials
Oct 13, 2020
4 minutes
CLUMP-forming hardy perennials that grow from a crown of buds and roots are some of the easiest plants to grow and provide a stunning array of flowers. However, if they’re just left in the ground to get on with it, after about five years they can look tatty. Growth becomes irregular as the centre of the plant weakens.
To avoid this, clump-forming perennials (as opposed to shrubby types like fuchsias and lavender that are best propagated from cuttings) should be lifted from the soil every three years, divided into healthy chunks, and replanted in improved soil. If treated in this way
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