Don't you say, 'There are yet four months until the harvest?' Behold, I tell you, lift up your eyes, and look at the fields, that they are white for harvest already.
שדה הלבן, "the white field": which the Jews say is a field sown with wheat or barley, and so called to distinguish it from a field planted with trees; though it may be rather, that it is so called from its white look when ripe. So the three Targums paraphrase