Heartwood development in the tallest tree species—Sequoia sempervirens (redwood)—is of particular interest because primary (old-growth) redwood forests hold global maximum biomass, and most of ...

Tim Hoelter always thought his ginkgo tree was the second tallest in the state. But a re-measurement found it is actually the tallest.

Sacramento city leaders want to drastically increase the number of trees in the city over the next two decades, implementing a new plan this week to help guide them toward new goals.