Favorite Large Gardenia Varieties.
Jun 22, Too much water causing a gardenia bush with yellow leaves. When you have a gardenia bush with yellow leaves, the first thing to do is check your soil for too much water. The gardenia needs moist soil, but not overly wet. Add some more compost to help it have a richer environment and be sure to set up proper drainage. Wrong pH causing gardenia bush with yellow leaves. If your Gardenia's leaves turn yellow and drop, aside from the normal aging process of its leaves, this may be caused by any of these reasons: Over-watering or under-watering: Gardenias need at least 1 inch of rain (or equivalent watering) each week.
Keep the soil consistently damp but not soggy. Aug 15, Gardenia plants require the right amount of sunlight to thrive and remain healthy for a long time. Brown or yellow leaves can appear tree removal 30331 the plant is either getting too little or too much sunlight.
The best way is to plant the gardenia plant in a place where they can get plenty of sun in the morning and partial shade in the afternoon. 5. Improper pH. Mar 16, Poor drainage will cause both the leaves to yellow and buds to drop off.
Another cause of yellow leaves is soil with a high pH. Too high, and the gardenia isn't able to take in nutrients including magnesium and iron, resulting in yellow leaves. Buds dropping off can also be caused by low humidity.