There Are Tiny Black Specks On My Lettuce Leaves That Will Rub Off. No Evidence Of Damage.Is This Caterpillar Poop?

Question

I have several lettuce plants and they are on most of them. Some specs larger than others. Could not find any caterpillars. Also no leaf damage.

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Answer 1

If it wipes off, it could be some sort of insect poop. If not, I would be more inclined to say that it is an infection.

Here is an article that will help you to grow lettuce:

https://www.gardeningknowhow.com/edible/vegetables/lettuce/growing-lettuce.htm