Knowledgebase
Caterpillars, invasives and native substitutes #869728
Asked May 23, 2024, 9:16 AM EDT
Dutchess County New York
Expert Response
Welcome to Dutchess County and the world of Gardening
In general Caterpillars can be helpful . However this year we are seeing many,many of the Invasive Spongy Moth caterpillars. Most health trees will recover. There are some Control options. Squishing the caterpillars and moth and destroying the egg masses when they appear. Using Traps can be helpful including the sticky/barrier bands.
The Garlic Mustard can be bothersome. Manual removal can be helpful. Making sure you pull at least the upper half of the root and pulling before seeds form. Note can take up to 5 years to be completely effective.
The Gooseneck Loosestife is best controlled by digging up the new shoots when you see them.
You may find more information and handouts on Invasive Species on our website
ccedutchess.org
Master Gardener