Depending on the efficiency of the plant or tree species, it may take as little as 200 pounds (24 gallons) of water to 1,000 pounds (120 gallons) to make a pound of dry matter.

Seattle summers are filled with sunny days and lush trees and shrubs throughout parks and neighborhoods, providing cooling shade and a welcoming site for walkers, joggers, picnickers and other outdoor ...

GENEVA — Area residents kept arborist Alan Siewert busy with questions Saturday during Community Days at Memorial Field. Siewert was hired last year, through a federal grant, to help the city plan for ...

In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.