משנה על נדרים 8:3

Similarly, if one rents a house to someone “until the rains,” he means until the second rainfall. Or if one had vowed not to derive any benefit from his friend “until the rains” [he is prohibited] until the second rainfall. Until when may the poor enter the orchards? Until the second rainfall. And when may one begin to enjoy or burn the straw and stubble of sabbatical produce? After the second rainfall.