why are my gardenia leaves yellow

Question

Why are my gardenia leaves yellow?

Answer 1

There are many reasons gardenias get yellow leaves. This article will help you pinpoint the problem on yours: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/helping-a-gardenia-bush-with-yellow-leaves.htm

Answer 2

The cool night time Temps. and to much water in soil
that does not drain well is most likely the reason
when the night time temps warm a little more to a low of 60
try adding some Iron to the soil
and a good all perpose fertilizer.