Answer: If the label doesn't list vegetables, then the product is not considered safe for them. In the future, consider using Integrated Pest Management (IPM) techniques, which recommends starting with the easiest, most benign method first and if that doesn't work, moving on from there. For example, aphids and whiteflies can be controlled by hosing off with a blast of water. Spray underneath leaves, in between, etc. Do this daily.
If that doesn't work, try a soapy water spray. Use 1 teaspoon to 2 tablespoons of liquid detergent soap per gallon of water. Use regular, not concentrated soap. Don't use soaps with lemon, as the citric acid can burn plants. Start with the lower amount and work up as needed. Spray as often as needed. As with any spray you might wish to test it on a few leaves first before you treat all your plants. Next on my list would be an insecticidal soap spray. Healthy vigorous plants will withstand insect attacks best and sometimes a little damage is acceptable. If you have specific pest problems, feel free to send another question to the Q&A site and we can try to help.
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