Answer: Diazinon is registered for use in vegetable gardens, and is effective against ants, aphids, beetles, caterpillars, mealybugs, scales, and other pests. The general rule of thumb is that both the pest you want to eliminate, and the targeted plant, need to be listed on the label. Then apply according to label directions. Just as a side note, aphids are often 'herded' by ants. They protect aphids from other predators and in turn receive a sweet sticky substance called honeydew. Aphids usually attract ladybugs to a garden, too, so although we don't appreciate aphids feeding on our plants, ladybugs like them alot! Finally, ants can be considered beneficial in the garden when they clean away insect eggs and decaying organic matter. So, although Diazinon is safe to use on your artichokes against ants and aphids, there's a whole lot more going on in your garden than meets the eye! If you're not successful in discouraging the aphids with strong streams of plain water from the hose, you might consider trying an insecticidal soap. It's easier on the environment and the other beneficial critters in the garden.
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