SIP Improvement
Watermelon SIPs on the Chicago rooftop of the Green Roof Growers We’ve featured self-irrigating pots (SIPs) in our first book and have done a lot of experiments with them over the years. One of the problems with growing tomatoes in SIPs is that the roots can get into the water chamber and cause problems and diseases. I found a nice workaround to this problem via an anonymous tip on a BoingBoing tomato post: With tomatoes, you need...