风信子及其他促成栽培的春花球根于冬季室内开花,有时表现异常,花不是高高向上开而是开在叶里。要使缩在里面的花茎伸长,有一简单方法,用一锥形纸卷,顶部开一小口,套在盆上,只要3～4天,花茎就会因顶部见光而伸长(此时将纸卷移去)。纸卷不要太硬,过厚会挡 Hyacinth and other cultivated spring bulbous flowers bloom in the winter indoors, and sometimes show abnormalities, flowers are not high up but open in the leaves. In order to elongate the stems retracted there is a simple method, with a cone-shaped paper roll, a small opening on the top, set in the basin, as long as 3 to 4 days, the stem will be due to the top of the light and elongation (at this time Remove the paper roll). Do not roll too hard, too thick will block