Plant fanatics chase prized witch's broom
Published 02/02/2013, Minnesota Public Radio
On a frigid January morning, Rich Larson scales a big tamarack tree, breaking off branches as he climbs towards his target. About 30 feet high, as the wind swirls around him, Larson, 59, spots what he's looking for: a small, tightly woven mass of branches called a "witch's broom" — the genetic source of many landscape plants and shrubs sold at nurseries.Word count: 818
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