Hydroponic Lettuce Growth Time: Timelines by System
Home > Hydroponics > Hydroponic Lettuce Growth Time: Timelines by System Last Reviewed: August 27, 2026 | Author: Faisal Habib | Fact-Checked: Lab and Field Verified | Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Beginner | Seed-to-Harvest: 28–35 Days | Germination: 24–48 Hours | Nursery Stage: 10–12 Days | Finishing Channels: 16–20 Days ⚡ Quick Answer: How Long Does Hydroponic Lettuce Take to Grow? Hydroponic lettuce takes 28 to 35 days from seed to harvest in NFT and DWC systems, and 35 to 42 days in passive Kratky bins. Baby leaf greens can be harvested in just 18 to 21 days. 📊 Master Hydroponic Lettuce Growth Timeline Specs Total…