איוב ח:יב פירוש: רש״י

in its greenness In its moisture and with its produce.

will not be plucked Heb. יקטף, will not be broken or pulled off; like (Deut. 23:26), “you may pluck (וקטפת) ears.”

but before any other grass it will dry up Before any other grass [does], it will dry up when the water evaporates and the marsh dries up.