Fertile soil

LOAM

This balanced mix of sand, silt, and clay is prized by gardeners for retaining moisture while still draining well.

"Loam" is a type of rich, fertile soil made up of sand, silt, and clay in balanced amounts, which is why it fits the clue perfectly. The word itself is straightforward—no wordplay or hidden meanings here—just a direct reference to the ideal soil for growing plants. Gardeners and farmers often prize loam for its ability to retain moisture while still draining well.