Q: I have a house in Houston. Does blooming of tropical trees like Bauhinia, Erythrina and Tabebuia depend on their age or size? I plant these trees in the ground. They freeze. They come back but they ...

The list of benefits that trees bestow on urban neighborhoods is long: People who live near more trees feel younger, are happier, and are healthier. But perhaps one of the most important factors in a ...

In 2002, Crater Lake National Park ecologist Michael Murray thought the park’s majestic whitebark pine trees were as good as gone. An invasive fungus called white pine blister rust was killing the ...