Mature perennials that are bare in the center, no longer bloom well, or are taking up too much territory, as well as those you wish to propagate, are all candidates for division. Spring is a good time to divide summer and fall blooming perennials when the new growth is 4-6 inches tall. Some perennials with taproots or woody roots, such as goats beard (Aruncus), globe thistle (Echinops), and snakeroot (Actaea or Cimicifuga), do best if divided even before the top growth emerges.
Posted on: Tue, 08 Apr 2014 19:50:12 +0000
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