The average date of the last frost for Los Lunas, New Mexico is May 2 nd . Cool season veggies like spinach, lettuce, and radishes can be planted from seed starting about the 3 rd or 4 th week of March. They germinate rapidly and usually in less than one week they are above soil. The photo below shows radish seedlings one week after planting. These radishes were planted from seed on March 30, 2012. The cool season crops are tolerant of late spring frosts so give those who are anxious a chance to get back into the soil and the garden. The photo below shows spinach seedlings (look closely) just breaking the soil surface one week after they were planted, also on March 30, 2012. The cool season crops generally will be ready for harvest as early as 3-4 weeks after planting. They will produce until the heat of summer arrives. A second crop of cool season crops can also be planted in the fall, after the heat of summer, generally the 2 nd or 3 rd week of September. This fall crop