There is a week in late October along Milwaukee Avenue when the maples let go all at once and the gutters run yellow. JD FLORES LANDSCAPING INC works both sides of that week, the final mowing and the leaf cleanups on one end, the plow and the shovel waiting on the other. Winter arrives quickly in this corner of Cook County, often overnight, and the same driveway that needed a trimmer in September needs a blade by Thanksgiving. The pride is in continuity: a property kept even all summer and opened up clean all winter by the same hands. Nothing about a yard is seasonal to the people who live in it.