Japanese Beetle Plant Damage Lists
The plants on this list are based on observations submitted by members of the gardening public during the 2021 growing season. Some plants may be listed under more than one damage level; this is intentional, since beetle feeding can be influenced by surrounding plants and environmental factors. Want to report observations? Click here. You’ll need the botanic name of your plants and about one minute!
Growing Flowering Meadows From Seed
Learn how CSU Extension is working to bring high-impact, low-input landscapes to a neighborhood near you!
Colorado State University Fact Sheets
 | Gardening Basics Soil Amendment, Container Gardening, Growing from Seed, Houseplant Care, Landscaping, and Xeriscaping. |
| Flowers Perennial and Annual Gardening, Rock Gardens, Roses, Bulbs, Mountain and Wild Flowers, Edible Flowers. |
 | Fruits and Vegetables Fertilizing Gardens and Trees, Storing Produce, Currants, Gooseberries and Jostaberries, Saving and Storing Seeds. |
 | Trees & Shrubs Native Trees and Shrubs, Diseases, Fruit Trees, Evergreen and Deciduous Trees and Shrubs. |
 | Yard Ground Covers, Lawns, Ornamental Grasses, Irrigation, Sustainable Landscaping and Composting. |
 | Insects Household, Yard, Fruit, Flower and Garden Insects. Includes information about beneficial insects and general insect control. |
