Mary Ann King writes about how she grows herbs and other plants in containers. Her tips include “Allow the soil to dry moderately between watering.” See her article at http://www.yankton.net/search/?q=Container+Gardening+With+Herb%2C+Flowers+And+Vegetables&t=&l=10&d=&d1=04%2F18%2F2013&d2=05%2F01%2F2013&s=&sd=desc&f=html