Damage to Furniture

Question

How can I stop wasps from chewing my wooden garden furniture and cedar greenhouse?

Answer 1

You are most likely referring to carpenter bees rather than wasps. They do not eat or chew wood but bore holes for nesting. This does cause damage and can become unsightly. This article will help you:
https://www.gardeningknowhow.com/plant-problems/pests/insects/carpenter-bee-control.htm