Turn ‘trash’ into garden gold • Make a sub-irrigated planter to ensure your plants always have the water and air they need: A sub-irrigated planter holds a reservoir of water and air inside it, ...

We’re growing organic heirloom vegetables on our rooftops and in our backyards in Chicago using homemade sub-irrigated planters (SIPs — more on them below). We started our blog, Green Roof Growers, to ...

While rooftop farming is nothing new in Brooklyn, one Gowanus woman is using new technology to grow fruits and vegetables on her roof. Frieda Lim's mini-farm uses a sub-irrigated planter system that ...