Proem, summery of purposes and procdare of exactivity and results.crocus is calld crocus sativus scientifically, from Irida ceous group a herbs several year ling plant without stem and it have onion crocus grow in semitropicall areaes and it is very suitable for this plant that this zones have hot summer and middie winter that this condition are already in stadied zone (khoramabad).In addition more than 95% product of crocus of Iran are producted and other zone of the word have very limited slice from produce of this agri calture product,crop crocus, certainlly forienge sources and reserches have existance /have been exicted/ in limited from that un for tunatlly it is impossible access to these sources or It,s very hard. In stage of country. Basical practicall researches are about knowlage that are published several years ago. In different form, such as book, note. Magazine and… we can express some of them:1- Abrishamchi, Mohamad hassan, crocus of Iran, by toos publish.co. 2- Abrishamchi, Mohamad hassan, khowing and checking crocus of Iran, by toos publish, co. 3- Behnia,mohamad reza 1370 or 1991 A.M, crocus of Iran(Tehran university). 4- Amir ghasemi, torab, Red gold crocas, Ayandegan. 5- Kafi, Mohammad, crocus, technology of plan and produce it, Mashhad-ferdosi university. In lorestan only one research is is about crocus, wit title: crocus and possibility of plan, produse and growing in Lorestan in 1377 or 1998 A.M. by agri researching center in Lorestan agricalture university (Mr khadami, Sepahvand). More ever (in ever sort) result of this basical praeticall researches can help to change the modes of plan and growing crocus and it camprovide and increase the crop of agri field in these zones (lorestan) and other zones that have the same (similar) weather and condition. In fact we can  get the result:1- with atteudance to native natural candition of khoramabad plan, plan and produce and growing crocus is possible in agri-field khoramabad plan.2-with growing crocus result to increasing product agri field. 3- life time of crocus in khoramabad is in avroge mode (midlle) a bout 7 year. 4- Time of plan crocus in studied zones (Lorstan) is: from 2.ordibehesht until2. khordad for planing and from 2. mehr until 5 aban for produce it is suitable.

By: Ali joodaki