Updated: February 14, 2023

Green beans are a popular vegetable to grow in home gardens. They are easy to grow and provide a bountiful harvest. However, green bean plants can sometimes become infested with scales. Scales are small, oval-shaped insects that suck the sap from the leaves, stems, and pods of the plant. If left untreated, scales can cause the plant to become weak and stunt its growth. In this article, we will discuss how to get rid of scales on a green bean plant.

Identifying Scales

Before we can talk about how to get rid of scales, it’s important to know what they look like. Scales are small, oval-shaped insects that have a hard outer shell. They are usually brown or black in color and can be found on the leaves, stems, and pods of the green bean plant. Scales are difficult to see with the naked eye because they are so small, but if you look closely at the affected areas, you may be able to see them.

Natural Remedies

If you have a small infestation of scales on your green bean plant, you may be able to get rid of them using natural remedies. Here are a few options:

Neem Oil

Neem oil is an effective natural insecticide that can help get rid of scales on green bean plants. Mix one tablespoon of neem oil with one quart of water and spray the mixture onto the affected areas of the plant. Repeat every seven days until the scales are gone.

Soap Spray

A soap spray made from dish soap and water can also help get rid of scales on green bean plants. Mix one tablespoon of dish soap with one quart of water and spray onto the affected areas of the plant. Repeat every three days until the scales are gone.

Ladybugs

Ladybugs are natural predators of scales and can help get rid of them on your green bean plants. You can purchase ladybugs from a garden center and release them onto your plants. Ladybugs will eat the scales and help keep them under control.

Chemical Remedies

If natural remedies don’t work, you may need to use chemical remedies to get rid of scales on your green bean plant. Here are a few options:

Insecticidal Soap

Insecticidal soap is a chemical insecticide that can be effective in getting rid of scales on green bean plants. Follow the instructions on the label and apply the soap to the affected areas of the plant. Repeat every seven days until the scales are gone.

Horticultural Oil

Horticultural oil is a type of oil that suffocates insects and can help get rid of scales on green bean plants. Follow the instructions on the label and apply the oil to the affected areas of the plant. Repeat every seven days until the scales are gone.

Systemic Insecticides

Systemic insecticides are chemical insecticides that are absorbed by the plant and kill insects when they feed on it. Follow the instructions on the label and apply the insecticide to the soil around the base of the plant. Repeat as necessary.

Preventing Scales

The best way to get rid of scales on green bean plants is to prevent them from occurring in the first place. Here are a few tips for preventing scales:

  • Keep your green bean plants healthy by providing them with proper nutrition and watering.
  • Inspect your plants regularly for signs of scales or other pests.
  • Remove any infested leaves, stems, or pods from your plant as soon as you notice them.
  • Encourage natural predators like ladybugs to live in your garden.

FAQ

How do I know if my green bean plant has scales?

Look for small, oval-shaped insects that have a hard outer shell. They are usually brown or black in color and can be found on the leaves, stems, and pods of the green bean plant.

Can scales harm my green bean plant?

Yes, scales can cause your green bean plant to become weak and stunt its growth if left untreated.

Can I use natural remedies to get rid of scales on my green bean plant?

Yes, neem oil, soap spray, and ladybugs are all natural remedies that can help get rid of scales on your green bean plant.

What should I do if natural remedies don’t work?

If natural remedies don’t work, you may need to use chemical remedies like insecticidal soap, horticultural oil, or systemic insecticides. Follow the instructions on the label carefully.

How can I prevent scales from infesting my green bean plant?

Keep your green bean plants healthy, inspect them regularly for signs of pests, remove infested areas as soon as you notice them, and encourage natural predators to live in your garden.