'Wheatharvest' in the Bible

And Reuben went out in the days of wheat-harvest, and found mandrakes in the fields; and he brought them to his mother Leah. And Rachel said to Leah, Give me, I pray thee, of thy son's mandrakes.

And thou shalt observe the feast of weeks, of the first-fruits of wheat-harvest, And the feast of ingathering at the turn of the year.

So she kept with the maidens of Boaz to glean, until the end of the barley-harvest and of the wheat-harvest. And she dwelt with her mother-in-law.

And they of Beth-shemesh were reaping the wheat-harvest in the valley; and they lifted up their eyes and saw the ark, and rejoiced to see it.

Is it not wheat-harvest to-day? I will call unto Jehovah, and he will send thunder and rain; and ye shall perceive and see that your wickedness is great which ye have done in the sight of Jehovah in asking for yourselves a king.