The Dangers of Cottony Taxus Scale

What is Cottony Taxus Scale?

This insect is a soft scale that attacks Yews and Hollies. They are named for their cotton-like appearance. If you see elongated tan, cream-colored, or white puffy dots on your plants, they may have Cottony Taxus Scale.

Why is Cottony Taxus Scale Bad for Plants?

Adult females lay their eggs on the leaves of your plant. She then covers the eggs in a protective scale cover. One female can lay up to 2,000 eggs! When the eggs hatch, they begin to feed on the leaves, sucking sap and important nutrients. If not treated, they will slowly kill the plant.

Even more problematic, the insects drip honeydew from their mouthparts as they feed. Honeydew is a sticky, sugary substance that can form black sooty mold. This substance also attracts stinginging wasps!

Click here to learn more about the many different types of Scale insects.

How Can You Get Rid of Scale?

Giroud offers a few different options for getting rid of scale, depending on the type. However, these treatments are all time-sensitive and need to be done when the insects are actively feeding. The best time for treatment is typically May through June.

Check out this post on our Eco-Friendly Treatments for Scale Insects

If you suspect your plants may have Scale, you should schedule an inspection with your ISA Certified Giroud Arborist ASAP! These inspections are always FREE. He will be able to properly diagnose the problem and offer recommendations for fast and effective treatments.

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