Spring is here in southern Michigan and we are so excited to share our plants with those of you! There are numerous flowers to choose from to plant in your Downriver region garden. For this post, we’re going to focus on our 5 hardy flowers to plant in southern Michigan. Our listed flowers add color to any garden and are hardy enough to withstand Michigan’s cool spring temperatures. In fact, some of these flowers thrive in cool weather, making them some of the best flowers for early spring. Remember that southern Michigan’s spring last frost date is April 28th.