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白玉兰具有较强的耐寒能力,春季开花,花大而香,是名贵的庭园观赏树木。白玉兰在长城以南可露地栽培,长城以北多作盆花栽培。齐齐哈尔市地处大兴安岭东南的松嫩平原,年平均气温3.2℃,1月份平均气温-19.5℃,绝对最低气温-39.5℃,无霜期136天,年平均降水量415毫米。褐色壤土,pH为中性。1986年冬,我将盆栽白玉兰在-20℃的低温下冷冻,
Magnolia has a strong ability to cold, spring flowering, large and fragrant flowers, is a valuable garden ornamental trees. Magnolia in the south of the Great Wall can be openly cultivated, potted plants north of the Great Wall for cultivation. Qiqihar City is located in the southeast of the Greater Xing’an Mountains Songnen Plain, the annual average temperature of 3.2 ℃, the average January temperature of -19.5 ℃, the absolute minimum temperature of -39.5 ℃, frost-free period of 136 days, the average annual rainfall of 415 mm. Brown loam, pH is neutral. Winter 1986, I will pot Magnolia frozen at -20 ℃ low temperature,