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  • Best time to root prune?

    Friend has 7' root bound tree. When is best time to prune roots and how much to remove. Current root ball is 3 1/2' deep x 2' wide. Trunk is 1½ x 2'. There are no branches below 4' there are 7-8 long 30" branches. Also how far to prune back. Thanks.
    Last edited by chauqg; 12-05-2015, 06:24 PM.
    Chauqg Zone 6b North of Pittsburgh

  • #2
    That is a big pot, 3.5' X 2'..... Nice!!!
    Scott - Colorado Springs, CO - Zone 4/5 (Depending on the year) - Elevation 6266ft

    “Though the problems of the world are increasingly complex, the solutions remain embarrassingly simple.” – Bill Mollison


    • #3
      As long as it's dormant you can do it any time. Balance what you remove from the top with what you remove from the bottom.
      Bob C.
      Kansas City, MO Z6


      • #4
        IMO, the best time is late winter early spring, before bud break.
        The reason is that the tree would be able to use any stored reserves in the roots to help it through winter dormancy. The extra moisture and available nutrients will also fuel the new spring growth.

        The usual recommendation is to prune 1/3 maximum and to prune the canopy to balance the pruned roots. If reusing the same sized 24" wide by 42" deep container, I would prune at least ~ 12 inches off the bottom and 3 inches off the sides. Good Luck.

        Pete R - Hudson Valley, NY - zone 5b


        • #5
          Late Feb. in the Northeast.
          Zone 10b, Miami, FL