15 Interesting Facts About Keeshonds By Allen Abby - Twice a year, Keeshonden “blow” or shed their undercoats completely, and this can last up to three weeks. The average height of a mature female Keeshond is 17″, and a male is 18″. The weight is ideally between 36 and 40 pounds. Except during the time of shedding, the Keeshond coat is fairly easy to care for. Please follow and like us: