Bitter orange leaves are a component of traditional Chinese ... Bitter orange is a fruit tree native to eastern Africa and ...

Dear Garden Coach: I have a lemon tree and two types of orange trees. The trees are prolific, but my oranges are very sour. Is there ... Yellowing leaves indicate lack of fertilizer or poor ...

Among the casualties of the canker war were my grandmother's lime and sour orange trees in Miami. Citrus canker is a disease that creates small lesions on fruit and leaves. The infected fruit ...

And the mutation that started it all? A single branch on a sour orange tree in the garden of a monastery in Brazil. Sponsor Message A Presbyterian missionary came upon it in the mid-1800s.