Recommend several special cold-resistant hair potted plants.

Bonsai is cold-resistant and sunny, so it can't be kept indoors for a long time. There are: five needles pine, black pine, Podocarpus, juniper, Platycladus orientalis, cypress, Chimonanthus praecox, plum blossom, holly, winter red fruit, begonia, pomegranate and so on. You can also see it in winter.

Potted flowers include osmanthus, gardenia, narcissus, cymbidium, cymbidium, camellia (some varieties), bamboo, chrysanthemum, wintersweet and plum blossom. (The room temperature can be above 5 degrees.

Bonsai of Pyracantha fortunei, Bonsai of Lycium barbarum, Bonsai of Ilex cornuta and Bonsai of Chimonanthus praecox are all very hardy, and they can't freeze to death at minus 5 degrees.

Camellia, rhododendron, Lagerstroemia indica, clove and brown bamboo can all tolerate 0 degree low temperature.

And:

The cold-resistant woody species of indoor bonsai are mainly bonsai with deciduous plants as the theme. Deciduous plants generally belong to temperate climate type. Of course, there are also pine and cypress bonsai, which are thick green, vigorous and simple, cold-resistant and dormant in winter and easy to manage. However, the appreciation of deciduous bonsai in winter is characterized by tree shape rather than vibrant green, which is not satisfactory during the Spring Festival. Generally speaking, ginkgo, pentagram, Acer truncatum, pyracantha fortunei, Pinus pentaphylla, Pinus thunbergii, Pinus yunnanensis, Dendrobium nobile, Sabina vulgaris, Sabina vulgaris, Pinus Ai Luo, Metasequoia, Taxus chinensis, Plum Blossom, Chimonanthus praecox, Yingchun, Bauhinia, Begonia pendula and Begonia Xifu. Silkworm, Daphne Daphne, Osmanthus fragrans, Equisetum Equisetum, Rhododendron, Marble, Cycas, Banyan, Berberis, Buxus buxus, Fraxinus Fraxinus, Fujian Tea, Hongfeng, Mahonia, Cotinus coggygria, Lonicera japonica, Catharanthus rosea, Grape, Spatholobus Spatholobus, Schisandra chinensis, Trachelospermum, Euonymus fortunei and Phyllostachys pubescens.

Because you need to save time and effort, the recommended varieties are: conifer, begonia, camellia, cycad, banyan, tiller, boxwood, manchurian ash, Fujian tea, Xuezhong, Roche, bamboo, Ophiopogon japonicus and so on. You can also choose a potted combination based on cactus, which saves time, effort and water.