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Why are the leaves on my mandevilla turning yellow and starting to curl up?

I have a mini crimson mandevilla in pots and the leaves on the new growth are turning yellow and starting to curl up. It started at the top of the plant and is now working its way down the plant. Any ideas on what this is and how to treat it?

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4 Responses to “Why are the leaves on my mandevilla turning yellow and starting to curl up?”

  1. Thomas C said :

    I suggest changing your soil the plant is situated in as the soil you currently have may be infected. After you’ve changed the soil, water the plant once every 6 hours for the next week.

  2. history4me said :

    It could be an iron deficiency or it could be root knot nematodes. Contact your local county extension office and ask them or take a sample of the leaf to them.

  3. jazzmaninca2003 said :

    Curled leaves on new growth and the occurence of yellow leaves in Mandevilla is an indication that the ambient air is too dry. Please keep in mind that Mandevilla favor humid conditions. IF you have your plant in a pot and is exposed to the sun, the soil may be too hot, therefore causing damage to the roots which results in damage to new growth.

    I’m not sure where you live and how hot your temperature gets but if the problem continues, simply mist/spray the leaves with water in the mornings and keep the soil moist (NOT saturated) and move your plant (if possible) to an area that doesn’t receive direct sunlight for extended periods of time.

    Hope this information will prevent further damage to your plant.


  4. Symnathamumma said :
  5. Hector said :

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