The Collaborative International Dictionary
Diggable
Diggable \Dig"ga*ble\, a. Capable of being dug.
Wiktionary
diggable
a. Capable of being dig.
Usage examples of "diggable".
There were no hardtop roads: that would have meant paving over lovely, diggable soil as well as disfiguring the natural environment.
He looked around in the ruddy evening light, thinking where to start looking for a diggable spot.