Self-heal adds pretty flowers and leaves to a lawn. Photo courtesy FloweringLawn.com by Connie Oswald Stofko “It’s nice to add these flowers you can walk on,” said Patti Jablonski-Dopkin, general manager of Urban Roots Cooperative Garden Market. “These flowers are great for us; they’re not just for pollinators.” Urban Roots now carries flower seeds that you can add to your lawn: creeping thyme, self-heal, Dutch white clover and white yarrow. You can use them to create a “flawn” or flowering lawn….