When it comes to replacing a lawn with native plants there are a few ways to prepare the site. The two main ones are de-sodding and sheet mulching. In this post I will be discussing the former.
First, here is a link to an album with photos and captions. https://imgur.com/a/0Fh2Ned
De-sodding is simply, lifting the top layer of sod off of the soil.
You might ask why this method and not others. It all comes down to personal preference. I have prepared sites either with de-sodding or sheet mulching. I have found that plants took off much faster with the de-sodding method but you may also have more weeds to contend with.
Some of you may ask, what about tilling? Tilling is almost always not recommended. When you till, you bring up many unwanted seeds out of the seed bank. It is also disrupts the soil.
Now let's get started...
Step 1: Mow your desired planting site as low as possible
Step 2: Get de-sodding! You can use a shovel, a manual device or a powered one designed for this purpose. A shovel will be very labor-intensive and not very practical for a large area. Your local hardware store may have a powered de-sodder to rent.
Step 3: Remove the sod that has now been separated from the soil. You can use shovels, try to roll it, or any other method. We used our utility tractor to scrape it off.
Step 4: Spread top soil around your new site. A nice thin, even layer will do
And that's it! If you are planting by seed you can spread it by hand or machine and gently rake it in. Seeds don't want to be buried deep, just on the surface level.
I hope this helps and please ask me any questions!
I don't know the answer to that question. I would be hesitant to try because it sounds like your site would end up raised from the extra material.