Updated: June 29, 2023

The Purple Prince plant, with its vibrant purple foliage and delicate flowers, is a popular choice among gardeners. However, like any other plant, it is susceptible to pests. One common problem that many Purple Prince plant owners face is the presence of lerps. These tiny, white, waxy structures can be found on the leaves and stems of the plant and can hinder its growth and overall health. In this article, we will discuss what lerps are, why they are harmful to the Purple Prince plant, and most importantly, how to get rid of them.

Understanding Lerps

Lerps are small, protective structures that are created by insects known as psyllids. Psyllids are tiny sap-sucking insects that feed on the phloem sap of plants. When psyllids infest the Purple Prince plant, they produce a sugary substance called honeydew. This sticky substance attracts ants and can lead to the growth of sooty mold, which further reduces the plant’s ability to photosynthesize.

Lerps are formed when psyllids excrete excess honeydew. This sticky substance solidifies into a protective cover over the insects and their eggs. The lerps resemble small white bumps or scales on the surface of leaves and stems.

The Harmful Effects of Lerps on Purple Prince Plant

The presence of lerps on a Purple Prince plant can have several negative effects. Firstly, they restrict the plant’s ability to carry out photosynthesis effectively. The lerps block sunlight from reaching the leaves, reducing their capacity to produce energy for growth and flowering.

Secondly, the honeydew secreted by psyllids can attract ants. Ants feed on this sugary substance and often protect the psyllids from predators in exchange for access to honeydew. This mutualistic relationship between ants and psyllids can make it difficult to control the infestation.

Lastly, the presence of lerps and honeydew can lead to the development of sooty mold. Sooty mold is a black, powdery fungus that grows on the surface of leaves and stems. It not only further reduces photosynthesis but also gives the plant an unsightly appearance.

Getting Rid of Lerps on Purple Prince Plant

To effectively get rid of lerps on a Purple Prince plant, it is important to take a multi-faceted approach. Here are some effective methods:

1. Prune Infested Areas

Start by pruning away heavily infested areas of the plant. Use clean, sharp pruning shears to remove branches or leaves with visible lerps. Be sure to dispose of the pruned material properly to prevent reinfestation.

2. Wash the Plant

Next, thoroughly wash the entire Purple Prince plant using a gentle stream of water. This will help dislodge any remaining lerps and honeydew from the plant’s surface. Make sure to pay special attention to the undersides of leaves, as this is where psyllids often hide.

3. Natural Predators

Introduce natural predators of psyllids, such as ladybugs or lacewings, into your garden. These beneficial insects will help control the psyllid population naturally. You can attract them by planting nectar-rich flowers nearby or by purchasing them from a reputable insect supplier.

4. Neem Oil Spray

Neem oil is a natural insecticide derived from the neem tree. It is effective against a wide range of pests, including psyllids. Mix neem oil with water according to the instructions on the bottle and spray it onto the Purple Prince plant, focusing on areas with lerps. Repeat this process every 7-10 days until the infestation is under control.

5. Reflective Mulch

Reflective mulch, such as aluminum foil or silver plastic, can be placed around the base of the Purple Prince plant. The reflective surface confuses psyllids and prevents them from finding suitable host plants. This method is particularly useful in preventing future infestations.

6. Regular Monitoring and Maintenance

Keep a close eye on your Purple Prince plant for any signs of reinfestation. Regularly inspect the leaves and stems for lerps or other damage. Maintain good garden hygiene by removing fallen leaves and debris, as these can attract pests.

Conclusion

Lerps on a Purple Prince plant can be a nuisance, but with proper care and attention, they can be effectively controlled. By pruning infested areas, washing the plant, introducing natural predators, using neem oil spray, employing reflective mulch, and maintaining good garden hygiene, you can restore the health and beauty of your Purple Prince plant. Remember that prevention is key, so be vigilant in monitoring your plant to prevent future infestations. With the right approach, you can enjoy a thriving Purple Prince plant free from the harmful effects of lerps.