In a new study, researchers used more than 5 million measurements from individual trees across much of eastern North America and showed the rate at which introduced species are spreading has increased ...

The self-guided tour on May 3 will feature six gardens, three in Rancho Bernardo, one in Poway and two in Rancho Peñasquitos.

In a culture obsessed with competition, it comes as no surprise that even our trees have been put to the test. In honor of Earth Month, celebrated every April, this series documents a handful of ...

For most fruit trees, pruning is a necessity to keep the tree healthy and producing a good harvest. These trees benefit from ...