Hydroponic Lettuce Yield Guide: How Many Heads Per Square Foot?
Home » Hydroponics » Hydroponic Lettuce Yield Guide: How Many Heads Per Square Foot? Last Updated: August 07, 2026 | Reviewed for accuracy, clarity, and safety Quick Answer: Hydroponic lettuce yield averages between 1.0 and 1.8 pounds (450g to 800g) per square foot annually in a well-managed indoor operation, translating to roughly 4 to 6 harvest cycles per year depending on variety and system mechanics. To calculate expected harvests for your specific setup, use ourhydroponic yield calculatorto project monthly output based on canopy dimensions. ⏱️ Time: 30 Minutes 💪 Difficulty: Beginner 💰 Est. Cost: $50 – $150 💡 Key Term Hydroponic Lettuce Yield per Square Foot is the total weight…