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Why have my Hydrangea cuttings turned yellow?

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  • LynLyn Posts: 23,190
    I think they’re better in the ground, try bigger pots for now Craig.  They’ll be better in the shade. 
    Gardening on the wild, windy west side of Dartmoor. 

  • SlumSlum Posts: 385
    From the top photo it appears the yellowing is on the new leaves with the lower ones still green. Is that correct? If it is it suggests an iron deficiency. This is often caused by too much lime in the potting mix but as you used a high peat content compost this is unlikely. Water logging can also contribute to the problem of iron deficiency. The yellowing will hinder photosynthesis which is likely to be why you’ve noticed a slow down in growth.

  • LynLyn Posts: 23,190
    Once they’re planted out they’ll be fine.  Often happens to potted plants.
    Gardening on the wild, windy west side of Dartmoor. 

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