How to Keep Lemons Fresh Longer and Prevent Mold July 14, 2025 by admin November 26, 2025 by Salah 3. Storing in Water To keep whole lemons fresh longer in the fridge: Place them in a sealable glass container. Fill it with water to cover the lemons completely. Seal the container and store it in the fridge for 2–3 days. If the lemon is already cut:Continue reading… ←PreviousNext→