[header] How to choose plants for a garden [title] Plant hardy perennials in cold conditions. [step] Gardeners in cool, temperate regions will have the best luck with resilient flowers and shrubs like sorrels, daylilies and ostrich fern. These plants are better equipped to survive low or drastically fluctuating temperatures than their warm-weather counterparts. 
[substeps] Plants that favor frigid conditions tend to be woody and have little colorful foliage. You can find more information on the different climate zones and where you fall within them online.