The production under protected conditions of crops of high commercial value has allowed agricultural species that are normally produced in warm climates to be produced in cold temperate climates, with very high production volumes, higher than those obtained in open fields, which makes them highly profitable, and generators of many sources of employment, throughout the year, in rural regions where these jobs are more appreciated.However, this type of production is not easy due to the high degree of technification that is given in them, so it is required that producers, at the beginning of the incursion into this type of crops and these production conditions have a lot of doubts and need to have the minimum information to start this adventure. This small guide was designed for this purpose, so if it is useful to any potential or active producer, it will have achieved its objective.