at least 14.3 hands, anything smaller is considered a pony. 1 hand is 4 inches
Horses grow to approx 18hh (Hands High), the tallest horse is commonly the 'Shire' horse.
horses can grow to be over 18 hands
Horses can actually come in many shapes and sizes, varying from small, dog sized miniatures, to enormous drafts. The largest breed of horse is the shire, that originated in europe. Horses in general...
A horse can be anything bigger than 14.2hh... A pony is anything smaller than 14.2hh....