Growing Zones: Annuals in 2-8, Perennials in 9-11.
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But once they become established under full sun and well-draining soil, you will be able to enjoy their bright blooms for a long time. Growing zinnias is easy, but you have to plant them directly where you want them because they don’t like being transplanted. It reaches 4 feet tall, has many brilliantly-colored flowers, has a long blooming period from early summer to frost, and attracts pollinators like butterflies and hummingbirds. The Zinnia elegans, with its tall stems and bright colors, is considered a classic and is most popular for backyards and gardens. Semi-double-flowered zinnias have numerous rows and visible centers. Double-flowered zinnias have numerous rows of petals with no visible center. Single-flowered zinnias have a single row of petals with a visible center. There are three main types of zinnias based on the kind of petals that they have. They belong to the genus Heliantheae or the sunflower tribe and to the much larger daisy family, Asteraceae. Zinnias are flowering shrubs native to the scrub and dry grasslands of North America. Plant the seeds just after the last frosts outdoors, and they need watering in the growing season and deadheading. Usually grown as annuals, they come in trailing or bush types. Nasturtiums are trailing edible flowers that are perfect for creating hanging baskets for hummingbirds due to their rich nectar and specially designed deep flowers. Hummingbird Plants Wisconsin Hardiness Zone 3 1. So plant as many of these flowers as you can to attract hummingbirds in Wisconsin. The plants listed in the higher numbered hardiness zones will not survive the colder winters in the lower numbered zones in Wisconsin without protection. So it is the cold winters that will affect hummingbird plants more than the heat.Īll of these plants for hummingbirds have been checked against cold zones and heat zones in Wisconsin to ensure these plants not only have gorgeous nectar-rich flowers that hummingbirds love, but will also thrive in the weather conditions in Wisconsin. Wisconsin does not have too many hot days and is in zones 2 to 5 in the plant heat zone map. It can also be too hot for some plants so the American Horticultural Society created the plant heat-zone map that shows the average number of days an area has temperatures over 86 degrees F. It is warmer in the south than in the north and ranges from 3 to 5 on the plant hardiness zone map. Wisconsin has warm summers and cold winters. Plants thrive in different zones and can tolerate minimum temperatures but not survive if too cold. The USDA plant hardiness zone map splits the United States into 13 zones based on the average minimum temperature, and within a state, there will also be different zones. If it’s too hot or too cold, then they will die or not grow enough to produce the flowers that hummingbirds need to collect nectar from. There are so many flowers that attract hummingbirds, but you need to find plants that will survive and thrive in your weather conditions.
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