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Rhus tree

Hi my Rhus tree which was a sucker is now approx. 4 years old, the parent tree has red leaves and red cone shaped flower in the autumn but mine although a healthy plant has only ever had yellow leave in the autumn and yellow flower in the summer, it is planted in a large galvanised water tank with drainage hole sunk in the garden to stop the roots running, can anyone advise me what is the problem.

Many thanks Jeff Coe

 

Posts

  • plant pauperplant pauper Posts: 6,904
    I don't know why but I do know it's nothing to do with size or age. Mine is a foot high, also a sucker, and planted in a half barrel and is red as a red thing!!!
  • Paul B3Paul B3 Posts: 3,154
    Not quite sure here , but soil pH needs to be slightly acidic I believe for Rhus .
    This can strongly influence the red-colouration of the Anthocyanins which are produced in the Autumn .
    Sunshine hours per day can be an influencing factor also . There is one growing at a roadside near us , and is a blaze of flame-red foliage .
    Others I've seen in gardens are a dull-yellow or drab-olive colour .

  • Hi Paul thanks for your reply. I have looked soil ph and it should be a ph of 7.5 so I'm of to get myself a soil testing kit, hope it des the trick

    Regards

    Jeff

  • Paul B3Paul B3 Posts: 3,154
    Jeffcoe
    A pH of 7.0 is classed as neutral , so maybe your Rhus could do with acidifying slightly?
  • HELP !  earlier this i chopped down a Rhus tree , few weeks later removed remaining  trunk and roots. Then few days later mini trees started appearing all over the garden.
    Have now had to remove my lawn to access a mass of smaller roots similar to the London Underground map. Think i've got the lot , couple days later there they are again all over the garden. Just can't seem to get rid of this invasive pain. That's played havoc with our garden.It's like you cut off one head and another 6 appear days later.


  • fidgetbonesfidgetbones Posts: 17,618
    I think you need a new lawn. Seriously though, the new shoots wouldn't survive the usual mowing regimes. Cut once a week over a three month period would have sorted them.
  • FairygirlFairygirl Posts: 55,117
    That's the problem once you start chopping. It encourages them to sucker.
    Fidgetbones is correct that regular mowing would have stopped them, but now you'll have to replace the lawn. If they appear again, keep mowing.
    It's a place where beautiful isn't enough of a word....



    I live in west central Scotland - not where that photo is...
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