The lemon (Citrus limon) is a fruit tree belonging to the Citrus genus and to the Rutaceae family. The lemon reaches 3 to 6 meters in height. Favorably, it flourishes and grows twice a year. The flowering lasts at least two months and the ripe fruit can then wait another two months on the tree before it is caught. In the summer it can be exposed to full sun, in the winter period should be repaired by direct frost. Recommended maximum resistance to cold in a sheltered place: -2 °C.