October 30, 2022 by mgnvmmfQuercus_phellos_tree_Oct_MMF This Quercus phellos, on a residential street in Arlington, Virginia, is about 80 years old. According to the Forest Service, mature willow oaks produce 11.5–69 pounds of acorns annually. Photo © Mary Free About mgnvmmf Previous Post:Quercus_phellos_tree_Oct_MMF