Q: I have a potted gardenia in my conservatory. It's one of my favorite plants, mainly for its beautiful, scented flowers. However, some of the lush green leaves have recently turned yellow ...

Plant them high in the ground or on raised ... which will also knock out the moldy honeydew. If your gardenia has yellow leaves with green veins it is due to a condition called chlorosis brought ...

Gardenia plants were also long prized among the Chinese for the yellow dye from their seeds. In the 1980s, Japanese scientists discovered a blue dye derived from a fruit, also produced by Gardenia ...