Basic Steps to Successful Lettuce Production in Greenhouse Saturday, February 9, 2013
Nutritious fresh lettuce can be grown in a greenhouse all year-round. Most lettuce varieties prefers cool weather and may develop spindly growth in conditions with a higher temperature range. The time from planting to harvesting ranges anywhere from 5-6 weeks out to 15 weeks, depending on the variety of lettuce that is grown. Each growing season has particular varieties of lettuces that are better suited to each season. In winter, the varieties are the slowest to grow but tend to be hardy and can survive a light frost. Warmer weather varieties will more than likely require some form of ventilation to keep leaf temperatures cool. Following are some basic steps to help you successfully grow lettuce all year long in a greenhouse. A)Germinate lettuce by sowing the seeds ¼ to ½ inch deep in a fine germination soil mix. Provide sun or artificial light and maintain a cool temperature setting of approx. 60 to 65 degrees to ensure a high percentage rate of germination.