藍色(se)(se)矢車(che)菊是一年生(sheng)或(huo)(huo)二年生(sheng)草本植(zhi)物,高30-70厘(li)(li)米(mi)或(huo)(huo)更高,直立(li),自中部(bu)分(fen)枝(zhi),極少(shao)不(bu)分(fen)枝(zhi)。全(quan)部(bu)莖枝(zhi)灰白色(se)(se),被(bei)(bei)薄(bo)蛛絲狀(zhuang)卷毛。基生(sheng)葉及(ji)下部(bu)莖葉長(chang)(chang)橢圓(yuan)狀(zhuang)倒披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing)或(huo)(huo)披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing),不(bu)分(fen)裂(lie)(lie),邊緣全(quan)緣無(wu)(wu)鋸齒(chi)或(huo)(huo)邊緣疏鋸齒(chi)至(zhi)大頭(tou)羽狀(zhuang)分(fen)裂(lie)(lie),側裂(lie)(lie)片(pian)1-3對,長(chang)(chang)橢圓(yuan)狀(zhuang)披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing)、線(xian)狀(zhuang)披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing)或(huo)(huo)線(xian)形(xing)(xing)(xing),邊緣全(quan)緣無(wu)(wu)鋸齒(chi),頂(ding)(ding)裂(lie)(lie)片(pian)較大,長(chang)(chang)橢圓(yuan)狀(zhuang)倒披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing)或(huo)(huo)披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing),邊緣有小鋸齒(chi)。中部(bu)莖葉線(xian)形(xing)(xing)(xing)、寬線(xian)形(xing)(xing)(xing)或(huo)(huo)線(xian)狀(zhuang)披(pi)(pi)(pi)針(zhen)形(xing)(xing)(xing),長(chang)(chang)4-9厘(li)(li)米(mi),寬4-8毫米(mi),頂(ding)(ding)端(duan)漸尖,基部(bu)楔(xie)狀(zhuang),無(wu)(wu)葉柄邊緣全(quan)緣無(wu)(wu)鋸齒(chi),上(shang)部(bu)莖葉與中部(bu)莖葉同形(xing)(xing)(xing),但漸小。全(quan)部(bu)莖葉兩面(mian)(mian)異色(se)(se)或(huo)(huo)近異色(se)(se),上(shang)面(mian)(mian)綠色(se)(se)或(huo)(huo)灰綠色(se)(se),被(bei)(bei)稀疏蛛絲毛或(huo)(huo)脫毛,卞面(mian)(mian)灰白色(se)(se),被(bei)(bei)薄(bo)絨毛。
頭狀花(hua)序(xu)多數(shu)或少數(shu)在莖枝頂(ding)端(duan)排(pai)成傘房花(hua)序(xu)或圓(yuan)錐花(hua)序(xu)。總苞(bao)(bao)(bao)橢(tuo)圓(yuan)狀,直徑1-1.5厘米,有稀疏蛛絲毛。總苞(bao)(bao)(bao)片(pian)(pian)約7層(ceng),全(quan)部(bu)總苞(bao)(bao)(bao)片(pian)(pian)由外向內橢(tuo)圓(yuan)形(xing)、長(chang)橢(tuo)圓(yuan)形(xing),外層(ceng)與中(zhong)層(ceng)包括頂(ding)端(duan)附(fu)(fu)屬物(wu)長(chang)3-6毫米,寬(kuan)(kuan)2-4毫米,內層(ceng)包括頂(ding)端(duan)附(fu)(fu)屬物(wu)長(chang)1-11厘米,寬(kuan)(kuan)3-4毫米。全(quan)部(bu)苞(bao)(bao)(bao)片(pian)(pian)頂(ding)端(duan)有淺褐色(se)(se)或白色(se)(se)的附(fu)(fu)屬物(wu),中(zhong)外層(ceng)的附(fu)(fu)屬物(wu)較大,內層(ceng)的附(fu)(fu)屬物(wu)較大,全(quan)部(bu)附(fu)(fu)屬物(wu)沿苞(bao)(bao)(bao)片(pian)(pian)短下(xia)延,邊(bian)緣流(liu)蘇狀鋸齒。邊(bian)花(hua)增(zeng)大,超(chao)長(chang)于中(zhong)央盤花(hua),藍色(se)(se)或紫色(se)(se),檐部(bu)5-8裂,盤花(hua)淺藍色(se)(se)或紅色(se)(se)。
瘦(shou)果橢圓形,長3毫米,寬1.5毫米,有細條紋,被稀疏的白色(se)(se)柔毛。冠毛白色(se)(se)或淺(qian)土紅色(se)(se),2列,外列多層(ceng),向內層(ceng)漸長,長達3毫米,內列1層(ceng),極短;全部冠毛剛毛毛狀。花果期2-8月。
適應性較(jiao)強,喜歡(huan)陽(yang)光充足(zu),不耐陰(yin)(yin)濕,須(xu)栽(zai)在陽(yang)光充足(zu)、排(pai)水良好的(de)(de)地方,否(fou)則常因陰(yin)(yin)濕而導致死亡(wang)。較(jiao)耐寒,喜冷涼,忌炎熱。喜肥沃、疏松(song)和(he)排(pai)水良好的(de)(de)沙質土壤。
矢車菊(ju)花(hua)(hua)色豐富,花(hua)(hua)形(xing)別致,是地(di)(di)栽、盆(pen)(pen)栽以及切花(hua)(hua)的(de)(de)(de)好材料。為了延長矢車菊(ju)的(de)(de)(de)觀(guan)花(hua)(hua)期,除秋播外,還(huan)可(ke)采用春播和夏播。如果(guo)4-5月(yue)份播種(zhong),當(dang)年(nian)7-10月(yue)便可(ke)開(kai)(kai)花(hua)(hua)。7月(yue)份用當(dang)年(nian)成熟的(de)(de)(de)種(zhong)子播種(zhong),一般于(yu)9月(yue)份以后即可(ke)開(kai)(kai)花(hua)(hua),露地(di)(di)栽培(pei)的(de)(de)(de)可(ke)持(chi)續到霜降。10月(yue)中、下旬將地(di)(di)栽的(de)(de)(de)植(zhi)株移栽入(ru)花(hua)(hua)盆(pen)(pen)內(nei)入(ru)室(shi)(shi)過(guo)冬,或8月(yue)份在(zai)盆(pen)(pen)內(nei)直接播種(zhong),入(ru)冬前入(ru)室(shi)(shi)。冬季(ji)只(zhi)要室(shi)(shi)溫保持(chi)在(zai)8~15℃,適量(liang)澆水與施(shi)少量(liang)稀薄復(fu)合(he)肥,放置(zhi)在(zai)陽光充足(zu)處,也能(neng)使矢車菊(ju)開(kai)(kai)花(hua)(hua)。這種(zhong)分期分批的(de)(de)(de)播種(zhong)方法,可(ke)以有(you)效地(di)(di)延長矢車菊(ju)的(de)(de)(de)觀(guan)花(hua)(hua)期。
產品描述:一年生,混色(se),花(hua)(hua)期4-8月(yue)(yue),芳香清(qing)雅,直根(gen)系,春(4月(yue)(yue))秋(9月(yue)(yue))直播(bo),可(ke)(ke)自(zi)播(bo)繁殖,10天(tian)(tian)發芽,80-90天(tian)(tian)開花(hua)(hua),秋播(bo)苗用風障越冬,定(ding)植后摘(zhai)心一次,種(zhong)子低溫處理可(ke)(ke)提早開花(hua)(hua),切花(hua)(hua),花(hua)(hua)壇,地被,花(hua)(hua)鏡。