Chuck Hayes is a moderately growing evergreen shrub. It is one of the hardiest gardenia varieties available. Chuck Hayes has a high resistance to both cold and warmer temperatures. A normal blooming period for a Gardenia only lasts about 2 weeks in June. Since Chuck Hayes is so hardy, the blooming period is increased lasting 3 to 4 weeks of continuous blooms. This gardenia variety doesn’t usually fruit, but if it does the berries will be orange colored.