Most of the plants Suitable for the Winter
Most of the plants suitable for the winter window-garden belong to the groups that florists grow in their medium and cool houses. The former are given a night temperature of about 60°, the latter about 50°.
In each case the temperature is 10 to 15° higher for the daytime. Five degrees of variation below these temperatures will be allowable without any injurious effects; even more may be borne, but not without more or less check to the plants.
In bright, sunny weather the day temperature may be higher than in cloudy and dark weather.
Plants for an average night temperature of 60° (trade names).Upright flowering plants,--Abutilons, browallias, calceolaria "Lincoln Park," begonias, bouvardias, euphorbias, scarlet sage, richardia or calla, heliotropes, fuchsias, Chinese hibiscus, jasmines, single petunias, swainsona, billbergia, freesias, geraniums, eupheas.
Upright foliage plants.--Muehlenbeckia, Cycas revoluta, Dracœna fragans and others, palms, cannas, Farfugium grande, achyranthes, ferns, araucarias, epiphyllums, pandanus or "screw pine," Pilea arborea, Ficus elastica, Grevillea robusta.
Climbing plants.--Asparagus tenuissimus, A. plumosus, Cobœa scandens, smilax, Japanese hop, Madeira vine (Boussingaultia), Senecio mikanioides and S. macroglossus (parlor ivies). See also list below.
Low-growing, trailing, or drooping plants.--These may be used for baskets and edgings. Flowering kinds are: Sweet alyssum, lobelia, Fuchsia procumbens, mesembryanthemum, Oxalis pendula, 0. floribunda and others, Russelia juncea, Mahernia odorata or honey-bell.
Foliage plants of drooping habit.--Vincas, Saxifraga sarmentosa, Kenilworth ivy, tradescantia or wandering jew, Festuca glauca* othonna, Isolepsis gracilis,* English ivy, Selaginella denticulata, and others.
Some of these plants flower quite freely, but the flowers are small and of secondary consideration. Those with an asterisk * droop but slightly.
Plants for an average night temperature of 50°.
Upright flowering plants.--Azaleas, cyclamens, carnations, chrysanthemums, geraniums, Chinese primroses, stevias, marguerite or Paris daisy, single petunias, Anthemis coronaria, camellias, ardisia (berries), cinerarias, violets, hyacinths, narcissus, tulips, the Easter lily when in bloom, and others.
Upright foliage plants.--Pittosporums, palms, aucuba, euonymus (golden and silvery variegated), araucarias, pandanus, dusty millers.
Climbing plants.--English ivy, maurandia, senecio or parlor ivy, lygodium (climbing fern).
Drooping or trailing plants.--Flowering kinds are: Sweet alyssum, Mahernia odorata, Russelia and ivy geranium.
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