Linda: I use a product called Murphy's Oil soap. One ounce to a quart of water. I imagine any soap would do. It's worked for me. Have a look. https://greenmethods.com/understanding-insecticida… Arnold On 07/06/16, Linda Foulis wrote: Hello all, Does anyone have experience using diatomaceous earth against thrips? I'm also trying neem oil. Very limited choices in Canada now. Linda Zone 2-3 North of Leslieville, AB next to the middle of nowhere.