In contrast, the highly reflective, light-colored bark of a paper birch doesn't absorb the sun's radiation and heat on cold winter days, and so avoids the damage caused by rapid heating and cooling.

There are 130 birch trees in the one-third acre study plot, part of the OneTree Alaska project that Dawe oversees. Researchers are using the trees to see how a longer growing season is affecting ...

Also do not prune in spring, as it will actively harm birch trees. ‘They are pumping materials through the xylem (and phloem), if pruned, they will “bleed” excessively, potentially attracting disease ...

Many ornamental trees are valued for their spring flowers or fall foliage, but they offer little aesthetic value during the winter. Not the river birch tree. The river birch’s beautiful bark ...

As the tree matures, the bark transforms into sizable, dull gray or black plates. Winter unveils 3-4 pre-formed staminate catkins on shoots that blossom in early spring, complemented by yellowish to ...

Species of trees with this bark characteristic include sycamore (Platanus occidentalis), river birch (Betula nigra), dawn redwood (Metasequoia) and kousa dogwood (Cornus kousa). Landscape art ...

Dear Master Gardener: We would like to plant a large shade tree with beautiful fall color to add to our landscape. Is a ...

With our often-dry winters or with the length of time between snow or rain events in the winter, it is really challenging here to keep birch trees healthy. Ask yourself if you are willing to irrigate ...

Thieves are illegally cutting down thousands of birch trees in northern Minnesota and Wisconsin to make a quick buck off city dwellers who love the paper-white logs, limbs and twigs in their home ...

“For birch trees to get a good sap season, they need a freezing winter, so climate change is a big concern,” says Ervins. The trees become dormant in subzero temperatures, when the sugar used ...