Hollyhock Leaves Being Eaten
Something is eating the leaves on the hollyhock plants. What does that and how do I control?
Certified GKH Gardening Expert
Sounds like a case of the hollyhock weevil. This small beetle eats holes in leaves, flower buds and seeds. They are easily controlled with a variety of products, such as Neem oil. This repellent is toxic to the hollyhock weevil. Also permethrin (Eight), or carbaryl (Sevin) will work. Rotenone is an effective botanical pesticide. Hollyhock weevil doesn't usually kill plants, but it can make the leaves look pretty ragged. Here is more information: https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/controlling-hollyhock-weevils.htm