Planting A New Tree - Knowledgebase Question

Glendora, CA
Avatar for slcoon
Question by slcoon
January 9, 2002
We are planting a 24" boxed Bradford Flowering Pear in our front yard. How far from the curb should we plant the tree to avoid curb "lift" caused by maturing roots?

Answer from NGA
January 9, 2002
Pyrus calleryana 'Bradford' is an ornamental pear growing 50' tall and 30' wide at maturity. In general, roots will extend one and one-half times the diameter of the canopy. The largest roots (those most likely to lift a sidewalk) will be concentrated under the canopy, extending out from the trunk. The smaller feeder roots can venture out past the canopy, but they shouldn't cause a problem with curbs and sidewalks. To be on the safe side, plant your tree 25'-30' away from driveways and sidewalks.

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