目前,在北方地区的园林绿地中,以“早熟禾”为主的冷季型草几乎取代了传统的当家品种——野牛草。这些冷季型草所带来的负效应,随着时间的推移逐渐暴露出来。归纳起来不外乎是:冷季型草大多是从国外引进的,在新的环境条件下显得娇气,养护管理费用高;抗逆性差,退化老化十分严重,利用期短。笔者认为,草坪是园林的重要组成部分,其品种应用和建植形式应该是丰富多彩的,且蕴涵一定的文化内容。就北方地区目前的情况看,发展草坪必须因地制宜,而且要突出重点,注重实效,不 At present, the cold-season grass dominated by “Poa pratensis” almost replaces the traditional wild grass-buffalo grass in the northern greenery. The negative effects of these cold season grass gradually exposed over time. To sum up nothing more than cold grass is mostly imported from abroad, under the new environmental conditions seem delicate, care and maintenance costs are high; resistance is poor, degradation of aging is very serious, the use of short. The author believes that the lawn is an important part of the garden, and its varieties should be used in a variety of forms and forms of construction, and contains a certain amount of cultural content. As far as the current situation in the northern region is concerned, the development of the lawn must be tailored to the local conditions, with a focus on effectiveness and no actual effect on the lawn.