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with this exception. All plants of questionable hardiness should becarefully protected. LIST OF PLANTS FOR MINNESOTA A. Hedges. Owing to the severe exposure to which a hedge maybe subjected only small groups can be recommended as entirely "iron-clad." No broad-leaved evergreens can be listed and only the mosthardy sorts of conifers, among them being the Black Hills variety of thewhite spruce, given here as picea canadensis. Early spring-floweringshrubs like the golden bell and deutzia are not hardy and none of thebeeches should be used for windbreaks or other types of hedges. Mostof the other plants shown in Chapter XII can be planted safely. |
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