Pesticides Used for Rose Bushes


Roses are a colorful and fragrant addition to any flowerbed or landscape. Gardeners may be surprised to see their prize roses suddenly drop flowers prematurely or become stripped of their leaves. One way to protect your roses is with pesticides. You can choose from chemical or organic products.

Common Pests

  • Aphids, thrips, rose midges, caterpillars and beetles--to name a few--all love your roses as much as you do. Japanese beetles and caterpillars can leave you with nothing but stalks. Tiny aphids can kill leaves and possibly the entire plant. Thrips will brown the edges of your blooms, causing the bloom not to open. Rose midge or rose maggot larvae cause damage to rose tips.


  • Malathion, Sevin dust, Talstar and Merit will control a variety of insects that are harmful to roses. Avid, Floramite and Hexygon are used to target mite infestations.

    A microbial or biopesticide called Bacillus subtilis can be applied if you prefer not to use a chemical product. This specialty product may be difficult to locate at a local garden store, but is available through select distributors online. Milky Spore is a product that works to eliminate beetles in their larval form, but it is not a solution unless your neighbors are also using it.

Alternative Methods

  • Monitor your roses for beetles and shake them off into a bucket of soapy water to drown them. Aphids can be sprayed off with a jet of water. Lady bugs can be purchased and added to your flower bed to eat aphids.


  • With the proper application of pesticides, commercial growers have been able to increase their output of crops and the quality of their roses.


  • Some pesticides can be toxic to humans and animals. An improperly mixed pesticide can also damage your plants. Always read the warning labels and mix, apply and store these chemicals exactly as directed. recommends covering exposed skin and eyes and using a respirator when applying chemical products.

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  • Photo Credit Image by, courtesy of Pietro Jr
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