Originally Posted by SorrelHorse
The majority of stock type horse are started at two. If you do it right, the horse will be just fine. Don't ride them into the ground, but you don't have to tip toe. Work on getting them soft, exposing them to things, getting the buttons put on at the walk/trot, start working them up to the canter...It really just depends on the horse.
Agreed. Get her desensitized to ANYTHING you think might scare her. BIG on the list is plastic bags, umbrellas, loud machinery, things above her head--you can use yourself and the fence for that. Get her grooming and ground manners perfect so she'll be quiet.