My neighbor moved away and gave me his pepper and tomato plants, plus a container of caterpillar spray. How often do I treat the plants?
Wait until you see signs of caterpillar damage, which should be quite obvious. Caterpillars chew holes in leaves when small and devour entire stem and fruit portions as they reach maturity. Check the plants every day or two for the pests. Often a caterpillar or two can be handpicked from the plants, and sprays are not needed. When the caterpillars are too numerous to count, it’s time to use the spray, following label instructions. Moisten the entire plant and note the waiting period between the last spray and harvest to pick your red, ripe tomatoes.
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