Houston is a stallion with high index scores for exterior and movement and also is passing these tendencies along to his offspring. He has a sire index in dressage of 158. In 2002 two Houston sons were designated for approval at Ermelo. Sergio (Sam-Sam), Houston x Zandigo, provided a classic example of how a dressage horse must move, and became one of the top-priced horses of the Select Sale. dressuurpaard must move -
became one of the sale by auction top press of the select Sale. Symphonie, Houston x Columbus, was the champion of the stallion performance testing in 2002, impressing with his beauty, charisma and excellent movement, and was highly praised by both the publice and the judges.