Do gardenia plants leaves turn yellow in the spring?
“There are a number of reasons why Gardenia leaves turn yellow and it is a common problem around the country. If it is only happening on the lower branches during spring, it is a natural occurrence and probably nothing to worry about. Both lack of water and too much water can cause the same problem, as will deficiencies in iron or magnesium sulfate. If all your leaves are turning yellow, the problem may be two-fold. and if you get black spots on the leaves like “sooty mold,” excrement from sucking pests such as whiteflies and aphids which are very common to gardenias. Consider yourself fortunate if this is the first year you are experiencing this problem. These insects deprive the plant of nutrients – hence the yellow leaves. Make sure your plants are getting the proper amount of water; moist but not wet soil and that you’re keeping the leaves dry. Have your soil tested to ensure the pH is in the range gardenias prefer, 5.0 – 60, and that there are the appropriate levels of the nutrien
