They are growing vegetables, berries, herbs and flowers in pots, containers and window boxes on patios, balconies, porches, decks and roofs. Harlequin’s Garden is a sustainability focused nursery and garden center offering seeds, trees, cacti, gardening classes and plant starts. “Our sun is much stronger at this altitude than it is in most other places where people garden,” Reshetnik Brawner says. So do Mediterranean herbs like thyme, lavender and rosemary.”Growth formulaColorado’s solar upside comes with a danger, according to Reshetnik Brawner. There are some dwarf carrot varieties that do well.”By far the easiest crops to grow in a container are greens, according to Reshetnik Brawner.