Cymbidium hybridum, the most hardy orchid in China, has a suitable growth temperature of 15-25℃, not exceeding 38℃ in summer, not lower than minus 5℃ in winter, and a reproductive growth temperature of 10-20℃. Cymbidium hybridum is the most cold-resistant and heat-resistant orchid in China. Moreover, the flowering period of Cymbidium hybridum is1-February, which is the Spring Festival. Beautiful flowers exude fragrance and look particularly festive.

Tulips and tulips have strong cold tolerance and can resist the low temperature of-14℃ in winter. Bulbs can overwinter in the open field if there is thick snow in cold areas.