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Thread: Azalea Problems, Causes and Treatments

  1. #1
    Join Date
    Aug 2001
    Location
    Zone 9a - Gulf Coast
    Posts
    9,934

    Azalea Problems, Causes and Treatments

    This thread is dedicated to Azalea problems, causes and treatments. I encourage anyone to join in with questions, answers and/or suggestions.
    Ann B.
    Zone 9a
    Gulf Coast


  2. #2
    Join Date
    Aug 2001
    Location
    Zone 9a - Gulf Coast
    Posts
    9,934

    Azalea Die Back

    Azalea die back is defined as when groups of one or more brances die, leaves turn brown and drop.

    Cause - one of numerous fungi that create cankers which block the flow of fluids and food.

    Treatment - Prune and destroy the dead or wilted portions of the plant. Spray with a copper fungicide every 2 weeks for 2 months.
    Ann B.
    Zone 9a
    Gulf Coast


  3. #3
    Join Date
    Aug 2001
    Location
    Zone 9a - Gulf Coast
    Posts
    9,934

    Azalea Leaf Yellowing

    Azalea leaf yellowing is a lack of iron known as chlorosis.

    Cause - soil to alkaline or planted too close to alkaline material such as cement, shells or as noted in a previous post has been amended with too much wood ash.

    Treatment - amend the soil with peat moss, add ferrous sulfate, aluminum sulfate or sulfur. Use a fertilizer for acid loving plants and water with rain water if your source for water is alkaline.
    Ann B.
    Zone 9a
    Gulf Coast


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