Planting in clay soil is great for the vegetation that have roots strong enough to break through the hardened ground and compacted clay. Amending an area to make suitable for gardening other types of vegetation is doable. The main idea to remember is to amend an entire area NOT just a single hole for the desired plant to root.
Why is it important to improve the soil structure in an entire area rather a single location? If a gardener focuses on a single location once the plant roots it will grow root length only as far and wide as the hole that was amended. Once the roots reach the soil that is clay the roots will grow inward as they are unable to penetrate through the unforgiving clay soil. The plant may survive, but it will be severely root bound.… Read the rest