Like more reputable companies, Gurney's guarantees. All nursery stock, trees and plants are guaranteed for as long as you garden. All seeds and merchandise are guaranteed for one full year. And it very well could. Just don't count your seeds before they germinate.
People do kind of go berserk on it.
Most plants shown in catalogs are grown under ideal conditions with the perfect soil and watering and maintenance. Most people don't have the time to tend to them that way. They probably grew 100 of them and picked the best one for the picture. They mayonnaise the leaves and gloss them up. They're gonna polish them.