How do I spot a dying Satsuma tree?

This hour, Dan opens the hour hearing Treasury of the Master Gardeners of Greater New Orleans, Jessica Doyle, on their GiveNOLA DAY coming up, how you can get involved and contribute or become a member, before fielding calls on subject such as oak galls, trimming back gardenias, what causes brown tips on the leaves of my Sunflowers, where should we be putting hydrangeas, what tree girdling does, when I should be trimming my Salvias, and more!