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STAGHORN SUMAC

carlfox245xs-rZt_0carlfox245xs-rZt_0 Posts: 9
in Problem solving
morning everyone I have a large staghorn sumac which I love to see change and develop over the seasons, however this year it’s dropped yellow leaves virtually from the beginning of the season and I’m concerned something is happening to it can anyone help?
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  • carlfox245xs-rZt_0carlfox245xs-rZt_0 Posts: 9

  • carlfox245xs-rZt_0carlfox245xs-rZt_0 Posts: 9

  • ButtercupdaysButtercupdays Posts: 4,546
    It looks fine to me. My Koelreuteria is already more yellow than green and the sycamore leaves are beginning to fall. The swallows left 2 days ago :'(
  • DovefromaboveDovefromabove Posts: 88,147
    edited September 2021
    It is a super looking tree ... I love them but daren't grow them because of the suckering once they've been pruned.  It looks as if you've not pruned yours ... does it sucker?

    If it doesn't usually have yellow leaves through the season, they may be due to the very dry spring we had (before the wet May arrived).  The soil a foot or so down became very dry and even the wet May didn't seem to penetrate down to deeper root level, at least not here in East Anglia.  That tree has a huge amount of foliage to support ... it'll take a lot of water to do that and my guess is that once the canopy is established not a lot of rain reaches the roots.

    I think that next year, starting towards the end of March, I'd give it a couple of hours of trickling hosepipe twice a week until mid April ... that should soak the ground down by the roots.  

    Hope that helps  :)

    Any chance of a photo when it's in full autumn colour?   B)

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • carlfox245xs-rZt_0carlfox245xs-rZt_0 Posts: 9
    Thanks so much for the advise I did wonder about watering as the tree is buried deep down under the patio I didn’t trim it back last year but will do when the beautiful red leaves have disappeared after autumn
  • carlfox245xs-rZt_0carlfox245xs-rZt_0 Posts: 9
    Of course I’ll share the autumn pic 👍
  • DovefromaboveDovefromabove Posts: 88,147
    Do you normally cut it back?  And it doesn't throw up a horde of invasive suckers?  That's very unusual.

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • philippasmith2philippasmith2 Posts: 3,742
    Do you mean a "light trim" or pruning of branches ?  
    Be interesting to know because they usually sucker like mad when main branches are pruned back to any extent.
    Beautiful looking tree tho  :)
  • carlfox245xs-rZt_0carlfox245xs-rZt_0 Posts: 9
    I’m not an avid gardener at all but adore the tree what do you mean by sucker? Lots of shoots pop up around the tree all over the garden do you mean that?
  • philippasmith2philippasmith2 Posts: 3,742
    Yes - those are suckers :)
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