Azalea Flower Turning Yellow. Brown spots on azalea leaves. Their leaves turn yellow turn ugly fall off and then the plant dies.
04072017 Azaleas turning yellow spreading to other azaleas 411586 Asked July 03 2017 822 PM EDT Hi For the past 3-4 years this one azalea has been struggling getting more yellow and then last year most branches were bare but new leaves but no flowers sprouted. Bud and twig blight Briosia III. Plant range E Europe to Caucasus.
Browning on Azalea Leaves.
When the soils pH is high the plant cant take up the iron and the formation of chlorophyll slows and leaves turn yellow. The veins of the leaves remain green but the rest. Flowers thickened or fleshy with gall-like appearance. Causes for Yellow Leaves on Azalea Plants.