Flight 93 Memorial to revitalize trees that honor passengers, crew The third generation of Old Willow fell in March 2021 due to a windstorm. Horticulture technicians in the Office of Physical ...

This week, we meet Black willow or Salix nigra ... The finely toothed leaves are medium green in the spring, changing to yellow-green in the fall. The bark on young trees is smooth, but may be warty ...