and fertilize the tree every few years, if it has not been fertilized otherwise. Gouty oak galls only occur on red and black oaks, and do not occur on white oaks.

Initially the galls are green but change to red and finally to black as they mature ... Oak bullet gall, which affects primarily bur and swamp white oaks, develops as circular woody growths ...

As you drive along your hometown roads and gaze out your window, you might notice clusters of small white flowers. This persistent perennial, known as whitetop, or hoary cresses (Lepidium ...