- I have a gardenia planted on the east side of my yard in the Central Valley of CA. It's been planted for about one year but suddenly the leaves are all turning yellow. I don't know if it is getting enough water or too much water or what is going wrong with it. Does anyone have any suggestions as to what I should be doing so I can save this plant???? Thank you. Wednesday May 24, 2017 at 12:43
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