5 lit the torches and let the foxes loose in the standing grain of the Philistines. He burned up the shocks and standing grain, together with the vineyards and olive groves.

Read Judges 15:5 Using Other Translations

And when he had set the brands on fire, he let them go into the standing corn of the Philistines, and burnt up both the shocks, and also the standing corn, with the vineyards and olives.
And when he had set fire to the torches, he let the foxes go into the standing grain of the Philistines and set fire to the stacked grain and the standing grain, as well as the olive orchards.
Then he lit the torches and let the foxes run through the grain fields of the Philistines. He burned all their grain to the ground, including the sheaves and the uncut grain. He also destroyed their vineyards and olive groves.