David Grays Tomato Dust 3-in-1 Keep your Tomatoes protected from Mites, Fungi, and insects with David Grays Tomato Dust 3-in-1! This powerful 3-in-1 acts as a Miticide, fungicide, and also insecticide to keep pests away and control common plant diseases! Controls caterpillars, leaf spots & other insect pests & diseases on tomatoes in the home garden! After something else for the garden? How to Use DO NOT apply when the soil is dry and plants are suffering from moisture stress. DO NOT apply in windy conditions or when temperatures are above 30°C Apply this ready-to-use product directly to tomato plants. Dust seedlings approximately 7 days after transplanting and repeat at 7-10 day intervals. Apply uniformly to foliage including the underside of leaves. Dust when the air is still, preferably in the evening or early morning. Apply more frequently during rainy weather. Avoid excessive application to seedling tomatoes.