紫枝玫瑰又称四季玫瑰,它与我们平时所说的情人节玫瑰不同(情人节的玫瑰确切说应是杂交月季),是真正的植物学上的玫瑰。它是蔷薇科蔷薇属多年生落叶小灌木,株高通常1～2米,枝条表皮为紫红色,幼嫩时绿色,其上密布直刺和刚毛;奇数羽状复叶,小叶5～9片,叶缘有齿,表面叶脉深陷,形成明显折皱,深绿色;花紫红色,重瓣,有香味,花期长,5月初花,一直开到10月,盛花期5～6月。含油率较高,约为0.04％,可用于提取玫瑰油。紫枝玫瑰扦插易生根,耐旱、耐寒、耐贫瘠,是非常优良的绿化及护坡植物。喜光,在密闭不透光的情况下,枝条会因缺少光照而枯死,因此应保证充分光照。也耐寒,在华北地区通常不会出现抽条现象。对土壤要 Purple Rose, also known as the Four Seasons Rose, it is different from what we usually say Valentine’s Day Rose (Valentine’s Rose is indeed a hybrid rose), is a true botany rose. It is Rosaceae perennial deciduous shrubs, plant height is usually 1 to 2 meters, branches of the skin is purple, young when green, densely covered with straight prick and bristles; odd pinnate, leaflets 5 to 9, Leaves edge dentate, surface veins deep depression, the formation of obvious wrinkles, dark green; flowers purple, double flap, scented, long flowering, early May flowers, has been open to October, full bloom from May to June. Higher oil content, about 0.04%, can be used to extract rose oil. Purple rose cuttings easy to root, drought, cold, poor resistance, is a very good green and slope protection plants. Like the light, in the case of airtight opaque branches will be withered due to lack of light, so should ensure full illumination. Also hardy, in North China usually does not appear pumping phenomenon. To the soil