Hartley Magazine

All the latest news, hints, tips and advice from our experts

Add Hydroponics to Your Greenhouse

For a number of years, I’ve grown lettuce in plastic gutters in my greenhouse. The installation is simple: Each ten-foot-long gutter hangs from brackets on a greenhouse wall, with one end four inches lower than the other. I fill the gutters with clay pellets to give the plant roots something to grip. A fish-tank pump […]