Alpharetta sits in the transition zone, where warm-season and cool-season grasses share a fence line and neither one gets an easy year. Massey Services GreenUP Lawn Care Service works that calendar — lawn fertilization, weed control, pre-emergent ahead of the spring flush, and treatment for the pests and disease that ride in on a humid Georgia summer. Green-up starts in the low sunny corners first and spreads across a yard over a couple of weeks, and watching it happen is one of the plain pleasures of this trade. Autumn brings its own round, feeding the roots that carry a lawn to the far side of winter. Each visit is one more entry in a year-long argument with the weather.