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夹竹桃为夹竹桃科夹竹桃属常绿灌木或小乔木。株高可达4~5m,树冠开展,枝丛生,分枝力强,叶披针形,厚革质。聚伞花序顶生,花冠漏斗状,每年5月下旬开花,花期极长,可达10个月。花色有桃红色、粉红色、黄色、白色等,以桃红色最为常见。夹竹桃喜温暖湿润气候,略耐寒,生长适温为20℃~30℃。我国长江流域以南可露地越冬,北方地区只能盆栽观赏,室内越冬。夹竹桃性强健,抗烟尘及有毒气体能力强,喜阳光充足环境,
Oleander as Apocynaceae oleander evergreen shrubs or small trees. Plant height up to 4 ~ 5m, the crown to carry out, branch clusters, strong branching, leaf lanceolate, thick leathery. Cymes terminal, corolla funnel-shaped, flowering in late May each year, flowering extremely long, up to 10 months. Color is pink, pink, yellow, white, etc., the most common pink. Oleander hi warm humid climate, slightly cold, suitable growth temperature of 20 ℃ ~ 30 ℃. To the south of the Yangtze River valley in China can be exposed to wintering, northern pottery can only watch, indoor winter. Oleander strong sexual, anti-smoke and toxic gases ability, hi sunny enough environment,