Although red netting generally isn't used, a 2015 study showed that when crops were irradiated with red light, pest insects known as onion thrips (Thrips tabaci) tended to stay away from the plants.

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. Q. In the past few years, ...

Dear Helen: I have been gardening for many years, but over the past five growing seasons my leafy vegetables, such as chard, spinach and beet leaves, have been damaged by leaf miners. I try to remove ...