Okay, let’s say you have a dip so deep a child could hide in it. For those, you need the sod-lifter approach. Cut a slice of sod (grass-side up) from the middle of the depression, flip it over like a pancake, and add or remove soil from the bottom. Pick the turf back in place, and tamp it down with your foot.
How to Level a Bumpy Lawn (with Pictures) - wikiHow
This sounds scary, but I promise it’s not brain surgery. The grass will look a little sad for a week, but it will recover. And you’ll feel like a surgical lawn ninja. Just water it well afterward, and maybe apologize to the grass for the disturbance. I always do.
The Most Important Step (Seriously)
Water and wait. You just disturbed the soil. The grass is stressed. Give it a good, deep drink every day for a week. Don’t walk on it. Let the roots settle into their new, flat home. Resist the urge to level it again next week—this is a marathon, not a sprint.
And no, you cannot just microwave the bumps away. Believe me, I checked. The internet lied to me about that one.
