Tree science is no exception. Likewise, recent university research overturned some old concepts about transplanting trees. The two most notable concepts deal with soil backfill and pruning. Soil Backfill Research indicates that trees will establish themselves better if planting holes are backfilled with the existing soil. Thinning The old recommendation was to thin a tree after transplanting to compensate for the loss of roots during digging.
Current recommendations call for only removing damaged or crossing branches.
Some nurserymen we know still believe in thinning. Recommendations on this website apply mostly to S.W. Pennsylvania We have attempted to present accurate and current information. However, Donnan Landscape Services is not responsible for any errors or omissions.