Dormant seeding means putting grass seed down after the soil is too cold for it to sprout, so it rests over winter and germinates on its own in early spring. In Black Hawk County that usually means mid-November to early December, once soil temperatures stay below about 40°F. Done right, it gives you a head start on spring without fighting the April rush. It's not magic, and it's not right for every yard. Here's how it works, when it makes sense, and where it can go wrong. How

For a lawn that establishes before winter, the practical window for late fall hydroseeding in Iowa usually closes around mid-October in the Waterloo and Cedar Falls area. After that, you still have options: a last-call seeding if the forecast cooperates, a planned dormant seeding once the ground is cold, or a mulch-only application that holds bare soil in place until spring. So "too late" depends on what you want the grass to do this year. Here's how we think about it as the