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Most Common Wandering Jew Plant Pests:
Identification and Treatment Guide

Updated: July 5, 2023

The Wandering Jew plant, scientifically known as Tradescantia zebrina, is a popular houseplant loved for its vibrant foliage. However, like any other plant, it is susceptible to pests that can damage its beauty and overall health. In this article, we will discuss the most common pests that affect Wandering Jew plants, how to identify them, and the best treatment methods to keep your plant thriving.

Aphids

Aphids are tiny insects that feed on the sap of plants. They are usually green or black and can be found clustered on the undersides of leaves. If your Wandering Jew plant has aphids, you may notice distorted growth, yellowing leaves, and a sticky residue called honeydew on the leaves and nearby surfaces.

To get rid of aphids, start by gently spraying your plant with a strong stream of water to dislodge them. Alternatively, you can wipe the affected leaves with a damp cloth. If the infestation is severe, you may need to use an insecticidal soap or neem oil spray. Be sure to follow the instructions on the product label carefully.

Spider Mites

Spider mites are another common pest that can plague Wandering Jew plants. These tiny arachnids are difficult to see with the naked eye but leave behind telltale signs such as fine webbing on the leaves. Infested leaves may turn yellow or have stippled patches.

To combat spider mites, you can start by misting your plant regularly to increase humidity. Spider mites thrive in dry conditions, so increasing humidity can help deter their population growth. Additionally, you can use an insecticidal soap or neem oil spray to control the infestation. Remember to treat both the upper and lower leaf surfaces for better effectiveness.

Mealybugs

Mealybugs are small, cottony insects that often appear in clusters on the stems and leaf axils of Wandering Jew plants. They feed by sucking sap from the plant, causing stunted growth and yellowing leaves. You may also notice a sticky residue on the leaves and nearby surfaces.

When dealing with mealybugs, it is important to act promptly as they reproduce quickly. Start by manually removing them using a cotton swab dipped in rubbing alcohol. Be sure to check all the nooks and crannies of your plant, as mealybugs can hide in hard-to-reach areas. For severe infestations, you may need to use an insecticidal soap or neem oil spray.

Scale Insects

Scale insects are small, immobile pests that attach themselves to the stems and leaves of plants, forming a protective shell-like covering. They can be brown, black, or white in color and can cause leaf yellowing, wilting, and overall decline of the plant.

To treat scale insects on your Wandering Jew plant, start by scraping off the scales gently with a soft brush or toothbrush. You can also use a cotton swab dipped in rubbing alcohol to remove them individually. If the infestation is severe, consider using an insecticidal oil spray to suffocate the scales.

Fungus Gnats

Fungus gnats are tiny flies that are often attracted to moist soil and decaying organic matter. While they do not directly harm Wandering Jew plants, their larvae can damage the plant’s roots. If you notice small flies hovering around your plant or tiny black larvae in the soil, you likely have a fungus gnat infestation.

To control fungus gnats, allow the soil to dry out between waterings as these pests thrive in moist conditions. You can also place yellow sticky traps near your plant to catch adult gnats. Additionally, using a soil drench containing Bacillus thuringiensis var. israelensis (BTI) can effectively kill the gnat larvae.

Conclusion

While Wandering Jew plants are relatively easy to care for, they are not immune to pests. Aphids, spider mites, mealybugs, scale insects, and fungus gnats are among the most common pests that can infest these plants. By learning to identify these pests and taking appropriate measures to control them, you can ensure the health and beauty of your Wandering Jew plant for years to come. Remember to always follow the instructions on insecticides carefully and monitor your plant regularly to catch any pest infestations early on.