Lettuce with LED Grow Lights

Lettuce Back

Lettuce grown under LEDs, harvested 32 days after planting seeds.
TIP: Use more blue light to produce sturdier seedlings. For leaf crops, switch to all red at the end of the growing cycle.
Below: Constant-yield lettuce garden. One square foot is planted every four days. 36 days from seed to harvest.


Above: Four types of lettuce grown in one square foot.