Why and when to prune a birch tree: what the arborists say. Birch are desirable trees that bring texture and seasonal interest to any landscape and different species are suited to ...

In a new study, scientists at Umeå University have found a way to break open the protective walls of pollen grains—one of the ...

Trump signs 'No Men in Women's Sports' executive order 6 Tips From Suze Orman You Should Absolutely Ignore Trump announces withdrawal from UN human rights body and halt to funding for Palestinian ...

The concentration of CO2 in the atmosphere is rising rapidly, with numerous negative consequences for the climate. However, ...

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also ...

Not having immune systems, trees have evolved ways to beat infections by means of chemical and mechanical barriers Living trees can become infected by bacteria, fungi or viruses due to physical ...

“The red color protects some of the most exposed parts of the tree’s reproductive system,” Renner said. “This includes stigma papillae, style transmission cells and the pollen tube ...

“In certain conditions, you can even see the pollen blowing off trees,” Robert Edmonson, a biologist and certified arborist with Texas A&M Forest Service, told Texas A&M Today. Cedar fever is ...