I am erecting a tree/garden seat around a very large blue fir. The manufacturer suggests filing the centre with soil and planting out. Does any one have any idea wether this will do any damage to my tree?

Not a good idea. It causes a particular kind of rot near the base of the tree and makes it susceptible to fungus. Integrated pest management issues might be a problem as well.



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2 Comments posted on "Will raising the soil level around a large fir tree damage it or make it susceptible to disease?"
old know all on May 7th, 2011 at 1:22 pm #

It would take more than that to damage a blue fir! There is a remote chance that the tree will put roots up into the loose soil and form suckers – then you can pot them up and you’ll have more blue firs.
References :


fair2midlynn on May 7th, 2011 at 1:37 pm #

Not a good idea. It causes a particular kind of rot near the base of the tree and makes it susceptible to fungus. Integrated pest management issues might be a problem as well.
References :
Master Gardener


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