Updated: July 15, 2022

Dianthus plants, also known as pinks, are popular among gardeners due to their attractive blooms and sweet fragrance. However, like all plants, they can be susceptible to pests and diseases, including scales. Scales are small insects that attach themselves to the stems and leaves of plants, sucking out sap and causing damage. If left unchecked, scales can cause the death of your Dianthus plant. In this article, we will discuss how to identify scales on your Dianthus plant and how to get rid of them.

Identifying scales on Dianthus plants

Scales are small, oval-shaped insects that attach themselves to the stems and leaves of plants. They are usually brown or black in color and can range in size from less than one millimeter to several millimeters in length. Scales secrete a sticky substance called honeydew which can attract other pests such as ants or mold.

To identify scales on your Dianthus plant, look for small bumps or lumps on the stems and leaves. You may also notice a sticky residue on the plant or nearby surfaces due to the honeydew secretion.

Getting rid of scales on Dianthus plants

There are several methods you can use to get rid of scales on your Dianthus plant:

1. Manual removal

One effective way to get rid of scales is through manual removal. This involves physically removing the scales from the plant using a soft-bristled brush or cloth. Gently brush the affected areas to dislodge the scales and then dispose of them properly.

2. Insecticidal soap

Insecticidal soap is a natural and safe option for getting rid of scales on your Dianthus plant. It works by suffocating the insects and disrupting their life cycle. To use insecticidal soap, mix one tablespoon of soap with one quart of water and spray the affected areas of the plant. Repeat this process once a week until the scales are completely gone.

3. Neem oil

Neem oil is another natural option for controlling scales on your Dianthus plant. It works by disrupting the insect’s hormonal balance, preventing them from feeding and reproducing. To use neem oil, mix one tablespoon of oil with one quart of water and spray the affected areas of the plant. Repeat this process once a week until the scales are completely gone.

4. Commercial insecticides

If manual removal or natural options do not work, you can use commercial insecticides to get rid of scales on your Dianthus plant. However, be sure to read and follow the instructions carefully and use only as directed.

Preventing scales on Dianthus plants

Prevention is always better than cure when it comes to pests and diseases in your garden. Here are some steps you can take to prevent scales from infesting your Dianthus plant:

  • Regularly inspect your plants for signs of insect infestation
  • Keep your plants healthy by providing adequate water, nutrients, and sunlight
  • Avoid over-fertilizing your plants as this can attract pests
  • Practice good garden hygiene by removing fallen leaves or debris that can harbor pests

FAQ

How do scales damage Dianthus plants?

Scales damage Dianthus plants by attaching themselves to the stems and leaves and sucking out sap. This can weaken the plant and cause it to wilt or die.

Can scales be harmful to humans?

Scales are not harmful to humans, but they can attract other pests such as ants or mold which can be a nuisance.

Can I use a pressure washer to remove scales from my Dianthus plant?

No, using a pressure washer may damage the plant and disperse the scales to other areas of the garden. Stick to manual removal or natural options for getting rid of scales.

How often should I inspect my Dianthus plants for scales?

It is recommended to inspect your Dianthus plants at least once a week for signs of insect infestation. This can help you catch any problems early and prevent them from spreading.