Canna lilies look great in a summertime hedge. But they're not very cold-hardy, meaning they'll die in the North if you leave them out in winter. So how should you bring your canna bulbs indoors to overwinter them? Here are the steps to take: http://landscaping.about.com/od/tropicalplants/f/store_cannas.htm
Canna Lily Care: How To Grow Canna Lilies - Canna lilies are low maintenance and easy to grow. Both their flowers and foliage offer long-lasting color in the garden. Read this article for more information on growing these versatile plants.
In cool climates, canna bulbs are planted each spring, then dug up in fall, divided and stored away over winter. Even in warmer climates, cannas will need to be dug up and divided every years. Learn about dividing and transplanting cannas in this article.
Whether you are storing tender summer blooming bulbs or hardy spring bulbs you didn't get in the ground, knowing how to store bulbs for winter will ensure their longevity. Look at how to store bulbs in this article.