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Silver Wattle Acacia - Sick - Causes?

Hi All,

 

A client has a silver wattle acacia that seems to be rapidly dying at the moment.  I have been visiting regularly for several years and it has always seemed relatively healthy - one or two small branches were dead.  Now whole sections of the tree's feathery foliage started to wilt two weeks ago and now turning brown.

 

Any idea of causes and cures?

 

It's 2.5m from a minor road but was subjected to gritting.

 

Thanks Craig


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    Hi Craig,

     

    Maybe the very cold weather has killed it, we have a customer with a massive Eucalyptus, also died through the winter.

  • May have been salt from gritter, more likely the extreme cold. Is the ground compacted around the roots? Aerate and mulch around it, it might recover.
  • It's quite a heavy clay soil around it and does seem to be compacted... thanks...

    N. F. Trees & Gardens said:
    May have been salt from gritter, more likely the extreme cold. Is the ground compacted around the roots? Aerate and mulch around it, it might recover.
  • No worries :o)
  • when I first started at Garden centres 18 years ago Acacia Dealbata was only sold as hardy in inner city areas, other than that it was sold as conservatory plant.

    For the 14 years after that we had mild winters and plants had got to tree size outside as it doesn't mind negative figures but doesn't like cold and wet, or long term cold.

     

    The last 3 winters have been very hard, and last winter the snow was very early, so i'm guessing that was the problem, - they do try and come back, but normally not the whole tree, so you might as well get rid of it or they end up lopsided.

  • Hi Claire, Thanks for the detailed response; it'll may help to explain things to my client. Craig

    Claire Brown said:

    when I first started at Garden centres 18 years ago Acacia Dealbata was only sold as hardy in inner city areas, other than that it was sold as conservatory plant.

    For the 14 years after that we had mild winters and plants had got to tree size outside as it doesn't mind negative figures but doesn't like cold and wet, or long term cold.

     

    The last 3 winters have been very hard, and last winter the snow was very early, so i'm guessing that was the problem, - they do try and come back, but normally not the whole tree, so you might as well get rid of it or they end up lopsided.

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