In this paper, studies were carried out on spinach (Spinacia oleracea L.), rucola (Eruca sativa Mill.) and lamb's lettuce (Valerianella locusta L.) plants, sown at different times and harvested at different development stages. The studies were carried out in the locality of Aghireșu-Fabrici, Cluj county on an area of 50 m2. The crops were established in two different times, the autumn was sown on October 27, 2017 and harvested between 10-25 March, and the spring was sown on February 25 and harvested between 15-25 April in the case of spinach and rocket and April 22-May 5 at the lamb's lettuce. The best spinach production was obtained at the spring crop at the last harvest phase of April 25, 2018 of 3.95 kg/m2. At the rucola in the second harvest phase, from April 25 to the spring crop, there was a production of 2.19 kg/m2. In the third phase of harvest, from March 25 to the autumn sowing obtained 1.97 kg/m2. At the lamb's lettuce, the best results were obtained in the autumn crop, with a maximum production value at the third harvest phase of 1.54 kg/m2