A former USDA agronomist is sowing diverse rows as director of UDC’s research farm.

Back-to-back warm spells and cold snaps are putting apricot trees through their paces in southern Pennsylvania.

Katie Rehwaldt hoped that 50 people would show up. Instead, 150 appeared. “We ended up having to take over the whole second floor,” she said. That was 1O years ago at the Josephine Butler Parks Center in Columbia Heights, the inaugural site of Rooting DC. Since then, attendance has climbed steadily for the assembly of…

A pumpkin’s passing.

Is your favorite forest bird on the official list of 43 species detected in Glover Archbold National Park?

Care taken in a Washington Gas line routing might protect a garden.

Citrus is under siege by greening disease, but Meyer lemon for home gardens gets a boost.

Jacob W. Frank, Carol M. Highsmith, and Jim Peaco helped celebrate the National Park Service’s centennial and highlight the “100 Years: America’s National Park Service” photo exhibit at the Smithsonian.

It isn’t every year that my Meyer lemon tree produces a fruit measuring 10 inches around and 5.5 inches long. In fact, until this year, it never had. It was a concentrated effort. Not another of the spring blossoms yielded fruit. In November, I brought the tree inside and installed it in its winter quarters…