凤仙花从播种到开放需要80～90天,若想让它在春节前开花,须在10月底11月初播种。为了确保凤仙花如期开放,笔者于2001年做了两个试验、试验一将100粒种子播在黑色塑料营养钵中,置于20℃的室内,结果只有23粒种子萌发。对长出的小苗每天浇一次水,过一段时问有16棵苗先后蔫萎、死亡,植株茎部变黑,有水渍状,试验失败。 Impatiens from sowing to opening takes 80 to 90 days, if you want it to blossom before the Spring Festival, to be planted in late October early November. In order to ensure the impatiens open on schedule, the author conducted two experiments in 2001. In experiment 1, 100 seeds were sown in a black plastic nutritional bowl and placed in a room at 20 ° C. As a result, only 23 seeds germinated. To grow a small seedlings poured water once a day, after a period of time there are 16 seedlings wilt wilt, death, plant stem black, water-like, the test failed.