This is the best year ever for my upright sedum (Hylotelephium) containers on the rooftop. All the superlatives fit my sedums this year: the tallest, most robust, most colorful, most floriferous, and most pollinators attracted. After years of growing them on a Chicago rooftop, I think I have discovered the right formula.
The first step is proper exposure. I always give them full exposure,&hellip