Applying a lawn fertilizer is one way to ensure your grasses look healthy and well taken care of. A healthy lawn resists diseases. The Lawnsmith’s service includes 5 separate visits: In early spring (1st visit), we apply a time-released dry granular fertilizer with a pre-emergent crabgrass control application.In spring (2nd visit), we apply a broadleaf weed herbicide. In summer, late summer and fall (3rd-6th visits), the service includes time-released dry granular fertilizers and weed spot spraying as needed. Satisfaction is guaranteed with our 6-visit service.