What Would Eat the Leaves Off From Columbine Flower Plants

Question

Overnight something has eaten all the leaves from our columbine.

Answer 1

Probably slugs. They normally come out and feed at night. This article should help: https://www.gardeningknowhow.com/plant-problems/pests/facts-about-slugs-and-how-to-kill-garden-slugs.htm