Aeroponics is an advanced form of hydroponics. Aeroponic systems use water, liquid nutrients and a soilless growing medium, called rockwool, to grow plants quickly and efficiently using 98% less water! Students in Kindergarten, 1st, and 2nd Grades have been enjoying salads for several weeks from their Tower Garden. Tower Garden also provides lesson plans and learning materials, to help integrate Tower Garden in the curriculum. Enjoy these pictures of 2nd graders enjoying a delicious, home grown salad.