2019 is the year of the Dahlia! Picking a favorite dahlia is like going through a button box. As well as coming in a rainbow of colors, dahlia flowers can range in size from petite 2-inch lollipop-style pompoms to giant 15-inch “dinner plate” blooms. Most varieties grow 4 to 5 feet tall. They are considered a tender perennial in cold regions North America. They are only winter hardy in planting zones 8 to 11. Gardeners in zones 2 to 7 can simply plant dahlia tubers in the spring and either treat them as annuals or dig them up and store for winter. ![]() Celebrating the 2019 Flower of the Year the North Country Master Gardener's have a garden that is dedicated to dahlias. Printouts with dahlia information are available at the garden. Visit the Teaching & Display Gardens The Teaching and Display Gardens are a joint effort between the Spooner Agriculture Research Station, operated by the University of Wisconsin - Madison College of Agriculture and Life Science, the University of Wisconsin Cooperative Extension and area UW-Extension Master Gardener Volunteers. Open to the public for self-guided tours during day light hours seven days a week mid-May through mid-September. AuthorCarla TePaske ~ UW-Extension Master Gardener Volunteer
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