The answer to 'how to maintain seeding' is to properly water, mow, and fertilize your new lawn. Start by watering the seeded area lightly and frequently to keep the soil moist. Once the grass reaches 3-4 inches tall, begin mowing regularly, removing no more than 1/3 of the blade height. About 4-6 weeks after seeding, apply a starter fertilizer to encourage root growth and development.
Continue this maintenance routine for the first year, adjusting watering and mowing as needed based on weather and grass growth. Be sure to avoid heavy foot traffic on the new lawn, and reseed any bare or thinning areas. If you encounter persistent issues like weed growth or disease, it's best to consult a professional landscaper for guidance.