火炬花對溫度有哪些要求?
火炬花較為耐寒,其冬季可置於5℃以上的溫度中越冬。 澆(jiao)水(shui)火(huo)炬(ju)花(hua)的(de)生(sheng)長(chang)需(xu)要(yao)長(chang)期(qi)澆(jiao)水(shui)和(he)施(shi)肥(fei),否(fou)則(ze)會(hui)生(sheng)長(chang)緩(huan)慢(man)。入(ru)秋(qiu)分(fen)株(zhu),分(fen)株(zhu)前(qian)要(yao)多(duo)施(shi)基(ji)肥(fei),注(zhu)意(yi)補(bu)充(chong)植(zhi)株(zhu)的(de)營(ying)養(yang),保(bao)證(zheng)其(qi)正(zheng)常(chang)越(yue)冬(dong)。在(zai)冬(dong)季(ji)和(he)春(chun)季(ji)的(de)幹(gan)燥(zao)地(di)區(qu),上(shang)凍(dong)前(qian)要(yao)透(tou)水(shui)澆(jiao)灌(guan),覆(fu)蓋(gai)植(zhi)株(zhu),防(fang)止(zhi)凍(dong)傷(shang),死(si)亡(wang)。

火炬花適宜生長於土層深厚、疏鬆、肥沃、排水良好的沙壤土中。火炬花可露地栽培,也可盆栽。火炬花栽植前應施適量基肥和磷、鉀肥。

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