Loam is considered the ideal soil for gardening because it offers a good balance of the following:

* Sand: Provides good drainage and aeration.

* Silt: Holds moisture well and provides nutrients.

* Clay: Retains nutrients and improves soil structure.

The exact proportions of sand, silt, and clay can vary in loam, but generally, it has a good mix of all three. This results in a soil that is:

* Well-drained: Water doesn't pool, preventing root rot.

* Moisture-retentive: Holds enough water for plant growth.

* Fertile: Provides essential nutrients for plants.

* Easy to work with: Not too heavy or compacted.

It's important to note that loam can have different textures depending on the proportions of sand, silt, and clay. For example, sandy loam has a higher proportion of sand, while clay loam has a higher proportion of clay.