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problem with azealeas

Discussion in 'Landscape Architecture and Design' started by bobbygedd, Aug 13, 2003.

  1. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Posts: 10,178

    put in a row of azealeas last fall. looked great, bloomed great, came out of bloom nicely, leaves green and healthy, standing straight up. a week ago, noticed this whitish, scaley looking stuff on the leaves. my dry hands couldnt rub it off. any idea what it is? how do i fix it?
  2. GLAN

    GLAN Banned
    Posts: 1,647

    Can you get a picture?

    Are they real small like dots? Sticky?

    There are several scenarios. Here is one, that may actualy be your problem. No pic, or better description. So I am just guessing.

    Sooty Mold. Generaly dark to almost black but have seen it in lighter colors. Aphids that suck the sap from a plant will discharge a sticky residue. What will then happen is dust and polutents will stick to the residue.

    Please provide more info of your problem
  3. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Posts: 10,178

    they seem to be more like a "sugar coating" on the leaves. not powdery, cant rub it off, kind of like "glossey" in apearance
  4. NCSULandscaper

    NCSULandscaper Banned
    Posts: 1,557

    Could possibly be the sugary residue of aphids. Do you see any on the underside of the leaves?
  5. Doc Pete

    Doc Pete LawnSite Gold Member
    Posts: 3,469

  6. GLAN

    GLAN Banned
    Posts: 1,647

    Aphid residue

    Do a soap spray according to the directions. Be sure to get under the leaves best you can.
  7. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Posts: 10,178

  8. Turfdude

    Turfdude LawnSite Bronze Member
    Posts: 1,900


    Ther other possibility would be lace bug damage. I can't be too sure w/out a pic though. Usually, the leaves turn a paler green, w/ speckled brown patches on the undersides.

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