Updated: June 16, 2022

Are you noticing an infestation of white, cottony-looking bugs on your goji berry plant? If so, you may have a problem with mealybugs. These pests are common in many gardens and can cause significant damage to plants if not treated promptly.

Mealybugs are small, soft-bodied insects that feed on plant sap. They are often found in clusters on the leaves, stems, and fruit of plants. The cottony substance you see is actually a protective covering that the bugs use to shield themselves from predators and environmental factors.

If left untreated, mealybugs can weaken and even kill plants. But don’t worry – there are several ways to get rid of these pesky insects and protect your goji berry plant.

Identify the Problem

The first step in getting rid of mealybugs is identifying the problem. Look for signs of infestation, such as white cottony masses on the leaves and stems of your goji berry plant. You may also notice sticky honeydew secretions or black sooty mold on the leaves.

Once you’ve confirmed that mealybugs are present, it’s time to take action to get rid of them.

Natural Methods

There are several natural methods for controlling mealybugs that are safe for both your plants and the environment.

1. Blast Them Off with Water

Mealybugs have weak legs and cannot cling tightly to plants. Use a strong stream of water to blast them off the leaves and stems of your goji berry plant. This will dislodge them from their hiding places and make it difficult for them to return.

2. Use Neem Oil

Neem oil is a natural insecticide that can be used to control mealybugs. Mix one tablespoon of neem oil with one quart of water and spray the solution onto your goji berry plant. The oil will suffocate the mealybugs and prevent them from reproducing.

3. Apply Diatomaceous Earth

Diatomaceous earth is a fine powder made from the fossilized remains of tiny aquatic organisms. It is safe for plants but deadly to insects. Sprinkle a light layer of diatomaceous earth onto the leaves and stems of your goji berry plant. The powder will scratch the bodies of the mealybugs, causing them to dehydrate and die.

Chemical Methods

If natural methods do not work or you have a severe infestation, you may need to resort to chemical methods.

1. Use Insecticidal Soap

Insecticidal soap is a safe and effective way to control mealybugs on your goji berry plant. It works by suffocating the insects and disrupting their cell membranes. Spray the soap onto your plant, making sure to cover all surfaces, including the undersides of leaves.

2. Apply Systemic Insecticides

Systemic insecticides are chemicals that are absorbed by the plant and circulate through its system. They are effective at controlling mealybugs but can be toxic to beneficial insects, such as bees and ladybugs. Use systemic insecticides as a last resort and follow all label instructions carefully.

Prevention

Preventing mealybug infestations is easier than treating them. Here are some tips for keeping these pests at bay:

  • Keep your goji berry plant healthy by providing proper nutrients, water, and sunlight.
  • Monitor your plant regularly for signs of infestation.
  • Remove any infected plant parts immediately.
  • Keep ants away from your plants as they can protect mealybugs from predators.
  • Avoid over-fertilizing your plants as this can attract mealybugs.

By following these preventative measures, you can reduce the likelihood of a mealybug infestation on your goji berry plant.

FAQ

Are mealybugs harmful to humans?

No, mealybugs are not harmful to humans. They are a nuisance to plants but do not pose any health risks to people.

Can mealybugs spread from plant to plant?

Yes, mealybugs can spread from plant to plant. If you have an infested plant, it’s important to isolate it from other plants until the infestation is under control.

Can I use dish soap to control mealybugs?

Yes, you can mix a solution of dish soap and water and spray it onto your goji berry plant. The soap will suffocate the mealybugs, but be sure to rinse the plant thoroughly afterwards to avoid any damage.

How often should I treat my goji berry plant for mealybugs?

Treatment frequency depends on the severity of the infestation. For minor infestations, once or twice a week may be sufficient. For severe infestations, daily treatment may be necessary until the bugs are under control.