A number of swamp maples (Acer rubrum), oaks (Quercus), and tulip poplars (Liriodendron tulipifera) reside in the forest that borders the garden. Thus, none were included in the small quantity of large trees planted over the decades. The garden is overfilled with Japanese maples, dogwoods (Cornus), redbuds (Cercis canadensis), magnolias, and other small and medium-sized…