Discussion in 'Pesticide & Herbicide Application' started by BocaChris, May 6, 2008.

  1. BocaChris

    BocaChris LawnSite Member
    Messages: 70

    Any recommendations to get rid of whitefly on hibiscus? Have used orthene but it defoliates them.
  2. americanlawn

    americanlawn LawnSite Fanatic
    from midwest
    Messages: 5,955

    I used Malathion in south Texas for white flies on gardenias, etc.
  3. heritage

    heritage LawnSite Bronze Member
    Messages: 1,358



    KACYDS LawnSite Senior Member
    Messages: 559

    Merit, the best chemical for white flies. Well worth the money.
  5. greendoctor

    greendoctor LawnSite Fanatic
    Messages: 10,126

    How much Orthene are you using? I have never had a problem with defoliation. On the other hand, malathion will defoliate hibiscus. It is also the worst insecticide possible for whitefly. No residual and it is toxic to those exposed to it. I often aquire accounts with hibiscus infested with mealybug, mites, scales and whitefly. My usual rotation is week 1 Talstar + Ultrafine Oil, week 3 Orthene + LI700, week 5 Avid, Sevin, + Ultrafine Oil. If it is only a matter of sucking insects and no mites, Merit via drench or soil injection.
  6. olive123

    olive123 LawnSite Senior Member
    Messages: 500

    as long as it is not under stress (been too dry lately) there should be no problem. You sure of whitefly? That is the least problem i would think to have on hibiscus now. Use a merit drench should tale you through the summer.
  7. Ls92

    Ls92 LawnSite Member
    Messages: 6

    You can use merit or Aloft

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