Answer: Unfortunately the evergreen magnolia(Magnolia grandiflora) is naturally a large tree, reaching over 60 feet and spreading over 30 feet. So even the "smaller" varieties are not all that small. Two of the smallest and hardiest types that would have the best chances of surviving and looking good during the winter in your area are Edith Bogue and Victoria. These will both reach about 30 feet by 15 feet or so, should be grown in an evenly moist, organic, acid soil and should be sheltered from wind. If that is still too large, you might consider planting something else.
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