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Why have these leaves gone brown?

My dogwood leaves have started going brown, but they're not dry and crispy as I'd expect from under watering and the plant hasn't gone droopy. A similar problem is appearing on the hydrangea in the front garden.

any ideas?

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Posts

  • ObelixxObelixx Vendée, Western FrancePosts: 27,623

    Probably frost damage.  They will recover.   If it's been dry lately, make sure you water them, especially the hydrangea.

    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • Hostafan1Hostafan1 Posts: 31,672

    "chemicals in the rain"???? 

    Devon.
  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,481

    Frost damage ... we've had so many reports and evidence of this in the past week since the temperatures plummeted due to a very chilly wind from the north east.

    Your plants are hardy and will recover. image

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • Hostafan1Hostafan1 Posts: 31,672

    You're absolutely right Sal.

    I don't believe it. 

    Do please feel free to provide conclusive , fact based , independently verified evidence though . I'd love to read up about it.

    Devon.
  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,481

    Hosta image

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • Hostafan1Hostafan1 Posts: 31,672

    Now,  where did I leave my tin foil hat?

    Devon.
  • punkdocpunkdoc Sheffield, Derbyshire border.Posts: 11,346

    Eye of frog and toe of newt.

    He calls her the chocolate girl
    Cause he thinks she melts when he touches her
    She knows she's the chocolate girl
    Cause she's broken up and swallowed
    And wrapped in bits of silver
  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,481

    The leaves of hydrangeas and dogwoods have been turning those colours when exposed to cold weather, both in spring and autumn, for more than 60 years to my certain knowledge, and I was taught that by my grandmother who was born before the turn of the last century. 

    That leaf discolouration is not caused by chemicals or solar geo-engineering. 

    Last edited: 12 May 2017 18:20:23

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,481

    See here http://homeguides.sfgate.com/frozen-hydrangea-76174.html and scroll down to 'Assessing the damage' for a description of the colour change in frosted hydrangea leaves. 

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • arneilarneil Posts: 254

    When I had a greenhouse and had tomato plants , the leaves used to go that colour if it was cold and I forgot to shut the greenhouse door . They did not get any rain , polluted or not , on the leaves

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