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Tag Archives: winter
Flowering in winter? It’s witch-hazel!
The witch-hazel genus (Hamamelis) consists of five species of deciduous shrubs. Three of these are native to North America, while two are native to the temperate regions of Asia. What is remarkable about these species is when they flower. The … Continue reading
Friday favorites: Twilight noon
Noon at Imnavait Creek, Alaska, reveals a multitude of colors in a cloud-studded sky.
Friday favorites: Dustings
Boston has only received dustings of snow this year. Of course, last year when the city saw record snowfall, there had been almost no snow by mid-January, too. What the rest of this winter has in store is a mystery…
Blooming in December
In Boston, the weather has been unseasonably warm this December. And it’s not just here. All over the Northeast US, parts of the Western US, in the UK, and beyond are still waiting for winter to arrive. The odd weather … Continue reading
Posted in Science
Tagged Arctic Oscillation, Arnold Arboretum, El Niño, rhododendron, winter
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Surviving the winter as a tree
In much of the northern United States, temperatures are now regularly falling below freezing. For organisms made mostly of water — like you and me and all other animals and plants — this poses some problems. Many mobile creatures like … Continue reading
The end of autumn
It’s early December, and in Cambridge, MA, most of the trees have shed all their leaves by now. There are exceptions: some of the red oaks are still holding on to a few crispy-dry, brown leaves (the same is true … Continue reading
