Column: Plant roots need protection from winter weather

01/3/2012 | Star Tribune (Minneapolis-St. Paul, Minn.)

The roots of trees, shrubs and perennials should be insulated during winter because they continue to develop until the ground freezes, writes Jeff Gillman, an associate professor of horticulture at the University of Minnesota. Organic mulch should be applied to perennials and trees, while potted plants should be transferred indoors, Gillman advises.

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Star Tribune (Minneapolis-St. Paul, Minn.)

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