Mustard Plants
Q.

Do harlequin bugs survive harsh winters?

Zone Boulder CO | teebikes added on September 25, 2015 | Answered

This is the first time in 39 years of gardening that I have had an infestation. I am in Boulder, Colorado. I've picked hundreds (maybe more than a thousand) off and tried diatomaceous earth, but they keep coming back. I added large red leaf mustard and red kale this year. Is it the crops or bad luck? Does anyone know if they will not survive at particular low temperatures?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on September 27, 2015

They likely loved the Leafy Mustard you grew!

Yes, these bugs can survive winter.

Here is an excellent article to help you with the issue.

https://www.gardeningknowhow.com/plant-problems/pests/insects/get-rid-of-harlequin-bugs.htm

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