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Why are my anthurium leaves turning yellow?

Updated July 20, 2017

According to Virginia Wesleyan College's website, there are more than 800 species of Anthurium (Anthurium andreanum), an exotic-looking flowering plant with showy bracts. Anthurium plants are native to the Andes Mountains and Carribean. These tropical plants are prone to some problems that result in yellowing leaves.

Over-fertilisation

Excessive fertiliser can stifle an anthurium plant and cause the lower leaves to turn yellow and develop brown tips. Reduce fertiliser application to a minimum and leach the soil around the plant to dissolve unnecessary solubles.

Over-watering

The soil around the anthurium should be kept moderately moist, but not soggy and wet. Overwatering the anthurium results in the yellowing of older leaves. To treat, reduce water while maintaining a humid, lowlight environment.

False Spider Mites

False spider mites do not produce webs. Spider mites are so small that they can go unnoticed until they've caused serious damage to the anthurium, including yellowing leaves and plant death. To treat, contact your local nursery about prescribed chemical miticides.

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About the Author

Hayley Smith is a freelance documentary filmmaker and writer with a Bachelor of Arts in English and a Master of Arts in Middle Eastern studies. She has contributed written work to various websites, specializing in topics on the outdoors and Utah skiing.