Please identify the pest which is eating my horseradish leaves until they are lacy? I can't see any insects in sight.
Certified GKH Gardening Expert
Many pests can cause damage like this, such as Japanese beetles or even slugs. Neem oil is effective against many types of insect pests but safe for you and beneficials. Here is more info: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm