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Manual of GardeningCanadensis_ in midsummer, tamarisk.Plants that bloom in very early spring (not mentioning such as birches, alders, and hazels) may be found in amelanchier, cydonia, daphne, dirca, forsythia, cercis (in tree list), benzoin, lonicera _(L. fragrantissima_), salix (_S. discolor_ and other pussy willows), shepherdia. Shrubs bearing conspicuous berries, pods, and the like, that persist in fall or winter may be found in the genera berberis (particularly _B. Thunbergii_), colutea, corylus, crataegus, euonymus, ilex, physocarpus, ostrya, ptelea, pyracantha (Plate XIX) pyrus, rhodotypos, rosa (_R. rugosa_), staphylea, symphoricarpus, viburnum, xanthoceras. _List of shrubbery plants for the North._ The following list of shrubs (of course not complete) comprises a selection with particular reference to southern Michigan and central New York, where the mercury sometimes falls to fifteen degrees below zero. Application is also made to Canada by designating species that have been found to be hardy at Ottawa. The list is arranged alphabetically by the names of the genera. The asterisk (A) denotes that the plant is native to North America. The double dagger (DD) indicates species that are recommended by the Central Experimental Farms, Ottawa, Ontario. It is often difficult to determine whether a group should be listed among shrubs or trees. Sometimes the plant is not quite a tree and is Next Page |
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