Leaf edges are yellowing near top with brown tips

Discussion in 'Growing Marijuana Outdoors' started by sebgrower, Aug 28, 2013.

  1. #1 sebgrower, Aug 28, 2013
    Last edited by a moderator: Aug 28, 2013
    some of my plant leaves are developing yellow edges and some have brown crispy tips. This is happening on upper 1/3 of plant mostly and appears to be on secondary leaf growth, not new. Its been getting worse and worse over the last 2 weeks. (They are 3 weeks into flower) . The leaves are also curling inward slightly and feel dry and brittle.  The plant itself is lighter green than the others. This is happening only on my Chem Dawg OG and Amnesia plants. I  did find a branch that appeared to be dying and leaves were very stunted.  YIKES.  This is affecting 10 plants only. 
     
    I've searched everywhere for an answer. Can anyone help identify whats happening?  Outdoor grow in 30 gal grow bags 420 mix, good nutes and PH of 6.5. New Grower
     
     
     
     

     
  2. Sometimes the older leafs die off.. got pictures? It could be nutrient burn.
     
  3. Yeah, I'm not a grower or anything, but isn't that nute burn?
     
  4. Tips burned is heat stress sides and tip is nute burn..flush it and let it recover.

    Sent from my SCH-I535 using Grasscity Forum mobile app

     
  5. Pics could help alot. It could be something serious or normal. Plants do shed old fan leaves in flower.
     

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