栀子花,茜草科,原产中国亚热带气候区及长江流域。栀子只能在微酸性土壤中生长,喜光稍耐荫,喜肥但也耐瘠薄干旱。品种较多,湘北地区主要有:黄栀子(又名山栀、白蟾花)、大花栀子(又名荷花栀子、玉荷花)、小花栀子(又名海燕栀子、水栀子、雀舌花)、斑叶栀子等4种。栀子花易栽植,扦插、压条、分株均可繁殖。而且四季长青,有“五月栀子闹端阳”之说,银花满市,胜似玉荷,洁白无瑕,美丽动人,芳香馥郁,香醉巴陵。1986年7月2日,岳阳市人大常委会第十五次会议讨论通过,决定 Gardenia, Rubiaceae, native China subtropical climate zone and the Yangtze River valley. Gardenia can only grow in slightly acidic soil, like a little light shade, like fertilizer but also resistant to infertile drought. More varieties, the main areas in northern Hunan: yellow gardenia (also known as Gardenia, white toad flowers), large gardenia (also known as Lotus gardenia, jade lotus), small gardenia (also known as Swallow Gardenia, Son, Buxus flowers), 4 kinds of leafy gardenia. Gardenia easy to plant, cuttings, battens, ramets can be breeding. And evergreen, “May gardenia downtown Yang,” said, Silver Flower City, wins like Jade, white flawless, beautiful, fragrant, incense drunk Baling. July 2, 1986, Yueyang City, the fifteenth meeting of the Standing Committee discussed and decided