Scotts Turf Builder Starter Fertilizer for New Grass, 15 lbs. is specially formulated to support the growth of new grass by providing essential nutrients that promote strong root development and help your lawn grow thicker and faster. I for use when planting new grass, whether you are starting a new lawn, reseeding an existing one, or installing sod, sprigs, or grass plugs, this fertilizer is safe for all grass types. It can be applied immediately before or after planting to give your grass start. For optimal results, use a spreader—Scotts recommends a setting of 3 for broadcast or rotary spreaders and 6 for drop spreaders. Keep the soil surface moist by watering daily or as needed until the grass seedlings reach at least 2 inches tall. Model Number: