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Rose Gertrude Jekyll new growth discolouration - chlorosis?

NollieNollie Posts: 7,512
I’m thrilled to see lots of new growth and buds on GJ, since up until now it’s rebloom after the first flush has been pretty non-existant. The new shoots start pinky red, as normal, then turn a weird tan colour. I have changed it’s fertilising regime this year, since learning that organic ferts are not effective in pots. I have been using a weak inorganic, balanced fert one week followed by a weak tomato feed the next. I don’t think I have been overdoing it, but maybe I have pushed her too fast - could this somehow have locked out iron? If it were dark green leaves turning yellow with green veins (veins are actually red tho the pics show them as green) I would say yes, but the weird colouration has thrown me - any ideas? Oh and a huge invasion of sawfly larvae this year can’t be helping!

Mountainous Northern Catalunya, Spain. Hot summers, cold winters.


  • MarlorenaMarlorena Posts: 8,643
    Yes, iron deficiency @Nollie
    .. bit of chelated iron should improve that, if you have any to hand... it doesn't look severe on your rose at this stage..
    East Anglia, England
  • NollieNollie Posts: 7,512
    Ah, thanks very much for confirming that @Marlorena. I guess chlorotic red foliage looks different to chlorotic green! I do indeed have some chelated iron so will give it a dose. 
    Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
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