Most Common Gayfeather Plant Pests:
Identification and Treatment Guide

Gayfeather plants, also known as Liatris spicata, are a popular perennial plant that produce tall spikes of purple flowers during the summer months. These plants are known for their hardiness and ability to attract pollinators such as bees and butterflies. However, like any plant, gayfeather is prone to pests that can damage or kill the plant if not treated properly. This article will identify the most common gayfeather plant pests and provide a guide on how to treat them.

Identifying Gayfeather Pests

Japanese Beetle

Japanese beetles are a common pest that feeds on the leaves, flowers, and buds of gayfeather plants. These beetles have a metallic green body with bronze wings and are about 0.5 inches long. They can be identified by their skeletonizing leaves, leaving only veins behind.

Aphids

Aphids are small insects with soft bodies that suck the sap out of gayfeather plants. They are usually found on the underside of leaves and can be identified by their pear-shaped bodies and long antennae.

Spider Mites

Spider mites are tiny pests that spin webs on the leaves of gayfeather plants. They feed on the sap of the plant and can cause yellowing or browning of leaves.

Treating Gayfeather Pests

Japanese Beetle

The best way to control Japanese beetles is to pick them off by hand, especially early in the morning when they are less active. You can also use insecticides labeled for Japanese beetles. Apply these insecticides in the early morning or late evening when bees are less active.

Aphids

Aphids can be controlled with insecticidal soap or neem oil. Both of these products work by suffocating the aphids. You can also use a strong stream of water to wash them off the plant.

Spider Mites

Spider mites can be controlled with insecticidal soap or neem oil, just like aphids. You can also use a strong stream of water to wash them off the plant. Be sure to also increase humidity around the plant by misting it regularly.

FAQ

How do I prevent gayfeather pests from infesting my plants?

The best way to prevent pests is to keep your plants healthy. This means providing adequate water and fertilizer, as well as pruning dead or diseased plant parts. You can also use companion planting, such as planting marigolds or chives near your gayfeather plants, to deter pests.

Can I use chemical pesticides on my gayfeather plants?

Yes, you can use chemical pesticides labeled for use on ornamental plants. However, be sure to read the label carefully and follow all instructions. Also, be aware that chemical pesticides can harm beneficial insects such as bees and butterflies.

What should I do if I see pests on my gayfeather plant?

The first step is to identify the pest and determine the best course of action. As mentioned earlier, you can pick off Japanese beetles by hand, use insecticidal soap or neem oil for aphids and spider mites, and increase humidity around the plant for spider mites. If the infestation is severe, you may need to use a chemical pesticide or contact a professional landscaper for help.

In conclusion, gayfeather plants are beautiful and hardy perennials that attract pollinators to your garden. However, they are also prone to pests that can cause damage if not treated properly. By identifying the most common gayfeather plant pests and using the proper treatment methods, you can keep your plants healthy and thriving for years to come.