japanese beetle control - Knowledgebase Question

Whitefish Bay, Wi
Avatar for lmnrau
Question by lmnrau
February 10, 2010
last year my roses were being eaten by japanese beatles and the only advice i could get was to knock them into soapy water-what else can i do?

Answer from NGA
February 10, 2010
Japanese beetles are awful pests, especially on roses. Sadly, the rose is one of their favorite plants. Some gardeners have success using a spray containing neem as a repellent. (Rose Defense is a good product.) Otherwise you can handpick them early or late in the day when they are less active. You can also try treating them at the grub stage with milky spore or beneficial nematodes. Your local county extension may have additional control suggestions. If you use Rose Defense, be sure to apply according to label directions. Best wishes with your roses!

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