Taking Care of Hydroponic Lettuce. Lettuce seeds germinate pretty quickly, so keep an eye out for little specks of green to emerge from the clay pebbles and soilless mix after about 7-10 days.

The Winona Senior High School and Tomah School District have introduced hydroponic farming in their cafeterias to provide fresh lettuce for their students.

The Winona Senior High School and Tomah School District have introduced hydroponic farming in their cafeterias to provide fresh lettuce for their students.

That motto is ever present on a small dry erase board on the interior wall of a 320-square-foot hydroponic farm in a trailer ... Its specialty is red and green butterhead lettuce, aka a salad mix ...

West Branch High School Vo-Ag and FCS classes continue to cultivate hydroponic lettuce for the school cafeteria. On March 13, the cafeteria served salad using two varieties of lettuce grown by ...

At home, she grows lettuce and tomatoes in her own kitchen in a small hydroponic garden. Rainbow Elementary’s Garden Club is so popular that it routinely maintains a waiting list.

Greens are grown in vertical columns hung with red and blue LED strips. If spaced horizontally the plants would cover 2.5 acres. Tobul and his trainees harvest 55 to 65 pounds of lettuce each week.

The Winona Senior High School and Tomah School District have introduced hydroponic farming in their cafeterias to provide fresh lettuce for their students.