What would cause this? I've got a few outdoor plants that the leaves have holes in them, this one is by far the worst. What would cause this? Slugs/snails? Caterpillars? What can I do to treat it? I'm in Vancouver BC and the plants get south sun, and are watered every two days at the moment. Originally by u/araquinar on Reddit: https://reddit.com/r/plantclinic/comments/1ld8jif/what_would_cause_this/