The garden mum (Chrysanthemum spp.) is a popular herbaceous perennial flowering plant that is commonly grown for fall sales. While also referred to as 'hardy mums,' their actual hardiness outdoors (that is, their ability to survive the winter) can vary by cultivar, time of planting, and environmental conditions. Garden mums are generally container-grown in Kentucky, either in a greenhouse or outdoors in connection with a greenhouse business; there is also some field production in the state.