How Do I Bring Back My Dead Grass. Grass that is not irrigated during dry spells will very quickly take on the appearance of being dead and although it may be only dormant if it is not watered drought will eventually kill off the grass roots. If it is the reason you should use the egg shells powder to restore the grass.
You may have to plug the lawn to allow water to get to the roots. These spots are most likely dead and should be replaced. Water the dead-looking area of grass thoroughly and deeply as soon as possible.
Usually grass that appears dead for a short period between 3 to 5.
Then rake to remove any dead grass or debris. More often than not it is possible to bring back to life a dead lawn without the need to tear everything down and start all over. When soil is rehydrated and grass plants turn green so will the weeds. Grass that is not irrigated during dry spells will very quickly take on the appearance of being dead and although it may be only dormant if it is not watered drought will eventually kill off the grass roots.