Remove Dome and Harden Off Seedlings

What happens here

Once your seedlings sprout and reach about one inch in height, it's time to remove the clear plastic dome. At this stage, it's crucial to expose the seedlings to some air circulation and indirect sunlight. Place the uncovered tray in a location where it can receive natural breezes but is not in direct hot sun, such as a shaded or partially shaded area on your porch. You want to slowly acclimate them to the outdoor environment. Leaving the cover on too long or keeping them in a dark, humid environment can lead to leggy, weak plants and mildew problems.

Goal: Acclimate sprouts to ambient air and indirect sun, preventing legginess and mold.