What is Bacillus Thuringiensis (Bt) and Should You Use It in Your Garden?

When you are researching natural, organic methods of controlling pests in your garden, you may have come across the name, “Bacillus thuringiensis,” or simply “Bt”, from time to time.  Its name is hard to pronounce and most organic gardeners use it without having a true idea of what exactly it is.  If you find that...