晚松 Pinus serotina原产美国东南部,分布于新泽西州南部和特拉华,南到佛罗里达中部和亚拉巴马东南的沿海平原。分布区气候温和湿润,北部无霜期为190天,南部为347天,平均年雨量1140—1400毫米,平均最高温度32.2—37.8℃,极端最高温度43.3℃,平均最低温度—6.7—-12.2℃,极端最低温度—23.3℃。晚松适生于低湿的砂地、平坦地及泥炭沼泽地,是一个低海拔树种,对土壤要求不严。 Pinus serotina, native to the southeastern United States, lies in southern New Jersey and Delaware, south to the coastal plains of central Florida and southeast of Alabama. The climate in the distribution area is mild and humid with the frost-free period of 190 days in the north and 347 days in the south with an average annual rainfall of 1140-1400 mm, with an average maximum temperature of 32.2-37.8 ° C, an extreme maximum temperature of 43.3 ° C and an average minimum temperature of -6.7 ° C to 12.2 ° C. The lowest temperature -23.3 ℃. Evening pine suitable for low-humidity sand, flat and peat swamps, is a low altitude tree species, the strict requirements of the soil.