Things You'll Need
Try to avoid using insecticide on rose bushes, if possible. Insecticides upset the natural system in the garden and kill helpful bugs like ladybugs. Some bugs may also become immune to the insecticides, rendering them useless.
The key to keeping rose bushes healthy and looking fresh is making sure bugs don't damage the leaves or flowers. Bugs can attack your rose bushes and eat holes through the foliage, leaving you with a dead plant. To keep bugs off the bushes, it's important to inspect them frequently and use various treatments to prevent bugs from eating your roses. Fortunately, treatments can be done with products or materials you already have in the house.
Inspect the rose bush for bugs. Japanese beetles, which are a mix of shiny green and copper, are common in rose bushes. Check the bushes during times when beetles they are not very active, in the evenings or early mornings. Pick them off the rose bush and place them in a bucket with soapy water to kill them. Other bugs you should pick off the bush are rose weevils and gall wasps, to prevent them from eating the roses.
Spray the rose bush every other day with water to remove bugs like aphids, spittle bugs, and rose scale. Hard squirts of water will remove the bugs from the rose bushes, and doing it frequently throughout the week will keep the bugs from eating the plant.
Purchase ladybugs from a nursery or garden center. Ladybugs are an ideal predator, since they eat bugs that harm rose bushes, such as aphids. Place the ladybugs in the rose garden in the evening, and allow them to naturally reduce aphid levels in the roses.
Trim or prune parts of the rose bush already infested with bugs. Remove rose buds or stems that have thrips, cane borers, and sawflies. Once you notice damage from bugs, prune the bush immediately to keep new larvae from hatching and infesting the bush.
Laura Leiva has been writing since 2006, specifically on topics of beauty, fashion, travel and health. Her work has appeared on several websites including Overstock.com. Leiva is pursuing a Bachelor of Arts in journalism with a minor in marketing from the Metropolitan State College of Denver.