leaves on mature azaleas turning yellow

We have 3 mature azalea plants that the majority of their leaves have turned yellow. What am I not doing properly to support these plants? These plants have done well in this flower bed for over 3 years. This problem just came up.

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1 Comment To "leaves on mature azaleas turning yellow"

#1 Comment By Nikki On 11/24/2014 @ 2:12 pm

An occasional yellow leaf now and then isn’t anything to get alarmed about. However, since this is affecting more than one plant, it could signal a problem. This article will help with common issues that cause yellow leaves: https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm ^[1]

It sounds like either a nutrient deficiency or a drainage problem. Have your soil tested, then amend the soil accordingly and make sure that the plants are not in standing water.

Also, just a thought, as this happened to me recently…check around the base of your shrubs for any burrow holes. Voles and chipmunks are known to occasionally burrow down around azaleas and then make dens in their root systems. This can quickly lead the to demise of your plants. Should this be an issue for you, the following articles may help: https://www.gardeningknowhow.com/plant-problems/pests/animals/vole-control.htm ^[2]

https://www.gardeningknowhow.com/plant-problems/pests/animals/chipmunk-control.htm ^[3]

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[1] https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm: https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/animals/vole-control.htm: https://www.gardeningknowhow.com/plant-problems/pests/animals/vole-control.htm

[3] https://www.gardeningknowhow.com/plant-problems/pests/animals/chipmunk-control.htm: https://www.gardeningknowhow.com/plant-problems/pests/animals/chipmunk-control.htm

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