Is this heat stress?

Discussion in 'Sick Plants and Problems' started by dvictoria, Aug 29, 2017.

  1. One of my plants is curling up pretty bad. None of my other plants are doing that. But this one is just slightly taller than the rest, so I'm thinking it just got a little too close to the light. Any thoughts?

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  2. Yes... do the leaves eventually get grayish and crispy? usually starting from the tip.

    Also notice how it is only the top ones that are affected... usually another sign of heat stress.
     
  3. Damn that sucks. They didn't turn gray, but they did get a bit crispy at the tips...
    Thanks for your input!


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  4. That is also a sign of cal/mag def fyi so i would foliar feed 1tsp of epsom salt in a gallon of water and be sure to spray under side of leaves as well
     
  5. Looks like mine when I had the fan blowing directly on them


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  6. another sign its cal/mag is notice all your leaf tips are starting to turn to one side or the other that is call draw stringing and is a sign of it also.
     
  7. Thanks. I'll definitely keep that in mind, but I'm pretty sure the heat stress worked itself out when I moved the lights a few inches away.


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