Exodus 9:30-34

30But as for you and your servants, I know that you will not yet fear the Lord God.”

31Now the flax and the barley were struck, for the barley was in the head and the flax was in bud.

32But the wheat and the spelt were not struck, for they are late crops.

33So Moses went out of the city from Pharaoh and spread out his hands to the Lord; then the thunder and the hail ceased, and the rain was not poured on the earth.

34And when Pharaoh saw that the rain, the hail, and the thunder had ceased, he sinned yet more; and he hardened his heart, he and his servants.