What is the simplest way to add chlorophyll to the soil around gardenia bush?
Yellow Leaves on Gardenia Plant
Certified GKH Gardening Expert
You cannot add chlorophyll to the soil. Chlorosis is caused by nutrient deficiencies in the soil. Here is more information on that problem and how to fix it: https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm