进入1月,天气越来越冷了,在严寒的环境中,只有三色堇、堇菜、羽衣甘蓝等少数耐寒花卉仍花开依旧。应尽可能在根基部撒上落叶和腐叶土,以防土壤中的水分冻结形成霜柱。另外,在北风强劲的地方,可在北面种植抗寒力强的松柏类植物,以抵御和减少北风的影响。在下雪的夜晚,可遮上塑料罩布,一旦罩上存有积雪,应尽快清除。三色堇和堇菜在开花结束后,应摘除残花的花茎,避免产生种子 Into January, the weather getting colder, in the cold environment, only the pansy, viola, kale and a handful of other cold flowers are still blooming still. Whenever possible, sprinkle deciduous and rotten leaves at the base to prevent the water in the soil from freezing to form a frost column. In addition, in the strong winds of the north, hardy coniferous plants can be planted in the north to resist and reduce the impact of the north wind. In the snowy night, can cover the plastic cover cloth, once covered with snow, should be removed as soon as possible. Pansy and Viola at the end of the flowering, should be removed stalk flower stem, to avoid the seeds