Site dimension: Make the rain garden about 60% of the drainage area. If amending the area reduce the size to between 20 to 30%. Garden depth: A suggested depth of 4 to 6-inches is typical for clay ...

Landscaping berms are mounded hills of soil that can serve multiple functional and aesthetic purposes in the garden. A berm can be placed to block or change the flow of water across the property ...

Nebraska’s clay soil comes in handy when building a berm from scratch. Here's advice from an expert.