Telegraph: At a time of year when there's often little else to be cheerful about, I'm sure we're all grateful for plants that flower in winter. But many of you may find yourselves wondering why plants bother to do so at all (it is obviously not just for our enjoyment).
There are two serious problems with winter: pollinators are scarce, and low temperatures make it difficult for the pollen to germinate or the seeds to sprout. Over the years, botanists have discovered that plants have worked out at least two......
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A warm welcome in a cold climate
Posted by Washington Post: Juliet Eilperin on February 16th, 2011
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