Arbor Day is technically on April 25, but St. Helena typically celebrates it in November or December because the combination of cool temperatures, moist soil and rainfall gives new trees the best ...

Non-mulched trees wither in the freezing ... were for growing a healthy assortment of plants during the winter months. We ...

Vegetation is expanding at high altitudes in the Himalayas, including in the Everest region ... "If that is happening with trees at lower elevations, clearly the plants at higher altitudes ...