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Soil buildup around trees

Discussion in 'Homeowner Assistance Forum' started by dh500, Sep 16, 2005.

  1. dh500

    dh500 LawnSite Member
    Messages: 58

    All the books I have read say that building up the soil level around a tree is a "bad thing".

    What if it is done very slowly, say 6 inches over 10 or 20 years? Does the tree adapt by growing roots closer to the surface?

    What if the soil is so shallow that the roots are growing partially out of the ground (on a species where this does not normally occur)?

    Is it permissible to build up the soil sufficient that the roots are protected from mower blades?

  2. Gatewayuser

    Gatewayuser LawnSite Bronze Member
    Messages: 1,765

    Go ahead and cover the roots only enough to keep from hitting them. Generally you don't want soil buildup around any trees. Now on the trunk you want to be able to see where it flares out.
  3. Gatewayuser

    Gatewayuser LawnSite Bronze Member
    Messages: 1,765

    I just saw your from Aus I don't know what kind of trees you have.
  4. lawnguy26

    lawnguy26 LawnSite Member
    from Florida
    Messages: 208

    If you build soil up around the trunk of the tree the phloem and xylem layers will begin to decay. This will eventually kill the tree. May take many years. However, some shrubs and trees have been known to produce secondary root systems.

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