Radishes like a small amount of nitrogen fertilizer over the course of their growing season. Plants are mature between 30 and 50 days from sowing. That is, if all goes well and the plot isn’t infiltrated by bugsthateatradishes. Sow bugs are difficult to control with chemicals, but when breeding sites and hiding spots are eliminated, they will usually die off or move along. Remove debris, brick piles and other hiding spots that are in direct contact with the soil. These small green bugseating arugula and radish leaves in my vegetable garden. They create multiple small holes in each leaf (arugual is all destroyed). They haven't damaged peppers, beans, beet, tomatos, onion, etc. The bugs are about the size of a pencil tip, or smaller. Help, something is eating my radishes! No one knows exactly where radishes come from, but they can be found growing from the Mediterranean to the Caspian Sea.That is, if all goes well and the plot is not infiltrated by radish-eatingbugs. What bug is eating my radishes?Do mice eatradishes?How do I keep bugs off my radishes? What bugseatradishes? Radishes are cultivated to be consumed and are common fixtures in the diets of many different cultures around the world. It should come as no surprise that many insects find the root vegetables irresistible as well. Learn About BugsThatEatRadishes. Among the radish insect pests that primarily attack radish foliage, the following culprits are to blame: Cutworms. Discover what animals eatradishes and how to tackle garden gremlins. Learn tips to protect your radish plants effectively! Do radishes attract pests? Insects that Attack Radishes You are growing radishes because you like to eat them, so it’s no surprise that there are plenty of bugsthateatradishes too. Common Garden Radish Pests – Learn About BugsThatEatRadishes. Even though they are simple to grow in abundance, there are a number of garden radish pests to watch out for.