Growing Hydroponic Lettuce – IncrediGrow Garden Centre

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Growing Hydroponic Lettuce

Calgary has a relatively short growing season due to its cold climate. Hydroponics indoors allows for year-round cultivation in a controlled environment, regardless of the outdoor weather conditions. Growing hydroponic lettuce is a relatively simple process that can be done using a variety of different methods. Here are some general steps to follow when growing hydroponic lettuce:

  1. Choose a suitable variety of lettuce: Some varieties of lettuce are better suited to hydroponics systems than others. Look for varieties that are fast-growing and adaptable to different growing conditions.
  2. Set up your hydroponics system: There are many different types of hydroponics systems that can be used to grow lettuce, including nutrient film technique (NFT) systems, deep water culture (DWC) systems, and aeroponics systems. Choose a system that is suitable for your space and resources.
  3. Select a growing medium: Lettuce can be grown in a variety of different growing media, including rockwool, coco coir, and perlite. Select a medium that is suitable for your hydroponics system and provides good drainage and aeration.
  4. Germinate your lettuce seeds: Lettuce seeds can be germinated in starter plugs or directly in the growing medium. Once the seeds have germinated, transplant them into your hydroponics system.
  5. Provide proper lighting and temperature: Lettuce prefers cool temperatures and bright, indirect light. Keep the temperature of your grow room between 60-70°F (15-21°C) and provide your plants with plenty of light using artificial grow lights or a greenhouse.
  6. Monitor nutrient levels: Lettuce has specific nutrient requirements that must be met in order for the plants to grow and thrive. Regularly test the nutrient levels in your system and adjust as needed to ensure that your plants are getting the nutrients they need.
  7. Harvest your lettuce: Lettuce is typically ready to harvest in about 30-45 days. Cut the lettuce heads off at the base of the plant using clean, sharp scissors or a knife.


By following these steps, you should be able to successfully grow hydroponic lettuce in your home or greenhouse. It is important to keep in mind that hydroponics systems require careful monitoring and management, so be prepared to spend some time maintaining your system to ensure the best possible results. Overall, growing lettuce hydroponically in Calgary can be a sustainable and efficient way to produce fresh, high-quality lettuce year-round, while conserving resources and minimizing environmental impact.


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