Is towel gourd cold dew still knotted?

Knot a knot. Luffa is a climbing plant of Cucurbitaceae. Its vines grow rough and have some fluff on them. After the cold dew, the loofah also knotted. Cold dew, the seventeenth of the twenty-four solar terms, belongs to the fifth solar term in autumn, which indicates the official end of the autumn season.