Virginia Rechtschaffen has always loved trees. She and her husband Rob even once owned a house in Belchertown that came complete with an orchard. Lots of trees. For the past 20 years she and Rob have lived in Northampton and accomplished something I would have thought impossible. Their in-town garden is embraced by a ring of large trees with a heart of sunshine at its center. How did they do it? Virginia said when they moved into the…