We always used to be able to say that there were no GMO garden seeds. That's still true in most of the world but, in the U.S., gardeners can now buy seeds for the genetically engineered, high-antioxidant Purple Tomato. NEW FROM Empress of Dirt: What to Know Before Reusing Old Potting Mix

A recent study claimed that urban-grown fruits and vegetables had a carbon footprint six times that of those from conventional farms. Rants ensued. NEW FROM Empress of Dirt: Monarch Butterflies: How Gardeners Can Truly Help