What can i use as moth deterrent? ...

What would be an unordinary item to grow...
Answers:    You can buy mothballs, but they really stink, in my judgment. Literally.

A better choice, I think, would be CEDAR BLOCKS. They are sold specifically for this purpose. Moths despise cedar. Some chests and wardrobes are made from cedar because of this.
Do you deduce that my husband should allow...
moth ball, cedar chips. The good point abotu moth balls is that they will also hang on to away the moles.