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MONARCH NECTAR PLANTS Great Lakes

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MONARCH NECTAR PLANTS Great Lakes Left to right: Monarch on eastern purple coneower, smooth oxeye, and whorled milkweed. e Great Lakes region encompasses eastern Minnesota, entire range. Adult monarchs depend on diverse nectar sources Wisconsin, Michigan, Ohio, northern Pennsylvania, and most for food during all stages of the year, from spring and summer of western and central New York. Within this area lies vast breeding to fall migration and overwintering. Caterpillars, on tallgrass prairies, sprawling wetlands, and mixed broadleaf the other hand, are completely dependent on their milkweed forests. ese communities are home to an impressive diversity host plants. Inadequate milkweed and nectar plant food of butteries, including the northern migratory population of sources at any point may impact the number of monarchs that the monarch buttery, which depends on the oral resources successfully arrive at overwintering sites in the fall. available within these habitats for its survival. Providing milkweeds and other nectar-rich owers that Each spring, monarchs leave overwintering sites in bloom where and when monarchs need them is one of the most coastal California and the mountains of central Mexico and fan signicant actions you can take to support monarch buttery out across North America to breed and lay eggs on milkweed, populations. is guide features Great Lakes native plants the monarch’s host plant. Several generations are produced that have documented monarch visitation, bloom during the over the course of the spring and summer. In late summer times of year when monarchs are present, are commercially and early fall, adults migrate back to the overwintering sites, available, and are known to be hardy. ese species are well- where they generally remain in reproductive diapause until suited for wildower gardens, urban greenspaces, and farm the spring, when the cycle begins again. eld borders. Beyond supporting monarchs, many of these Monarchs at overwintering sites in Mexico and plants attract other nectar- and/or pollen-seeking butteries, California have declined dramatically since monitoring bees, moths, and hummingbirds, and some are host plants began in the late 1990s. Across their range in North America, for other buttery and moth caterpillars. For a list of native monarchs are threatened by a variety of factors. Loss of plants that host butteries and moths specic to your zip code milkweed from extensive herbicide use has been a major see www.nwf.org/nativeplantnder. e species in this guide contributing factor, and habitat loss and degradation from are adaptable to growing conditions found across the state. other causes, natural disease and predation, climate change, Please consult regional oras, the Biota of North America’s and widespread insecticide use are probably also contributing North American Plant Atlas (http://bonap.net/napa), or the to monarch declines. Because of the monarch’s migratory life USDA’s PLANTS database (http://plants.usda.gov) for details cycle, it is important to protect and restore habitat across their on species’ distributions in your area. 1 2 3 4 5 6 7 8 9 10 11 12 Max. Water Bloom Common Name Scientic Name Flower Color Notes Height Needs Low, Medium, (Feet) Forbs or High All species perennials, unless otherwise noted. Monarchs are present June through October in the Great Lakes Region. Summer 1 Common milkweed Asclepias syriaca White/purple 8 M Monarch caterpillar host plant. 2 Black-eyed Susan Rudbeckia hirta Yellow 2 L Can be biennial. Butteries attractant. 3 Buttery milkweed Asclepias tuberosa Orange/yellow 2 L Monarch caterpillar host plant. 4 Common boneset Eupatorium perfoliatum White 6 M/H Tolerates sandy or clay soils but needs constant moisture. 5 Culver's root Veronicastrum virginicum White/pink/blue 6 M Adaptable plant in the garden. Attracts butteries and bees. 6 Dense blazing star Liatris spicata Purple 4 M Highly adaptable and easy to grow. Attracts many butteries, bees, and hummingbirds. 7 Dotted blazing star Liatris punctata Pink/purple 2 M Limited distribution. Drought tolerant once established. 8 Eastern purple coneower Echinacea purpurea Pink/purple 5 L Can become aggressive. Attracts a number of butteries, native bees, and hummingbirds. 9 Field thistle Cirsium discolor Pink/purple 7 L Not to be confused with non-native thistles; a now uncommon but important plant for butteries and bumble bees. Biennial. 10 Maximilian sunower Helianthus maximiliani Yellow/brown 10 L Very showy plant. Can be aggressive in the garden. 11 New England aster Symphyotrichum novae-angliae Pink/purple 6 M One of the latest fall-blooming plants; also frequented by pre-hibernation bumble bee queens. Summer to Fall 12 Ontario blazing star Liatris cylindracea Purple 2 L Shorter than other Liatris species and tends to bloom later in the year. 13 Sawtooth sunower Helianthus grosseserratus Yellow 10 M Tolerates many soil types. Can be quite large in the garden. 14 Showy goldenrod Solidago speciosa Yellow 5 L Also frequented by a number of benecial solitary wasps, pollen-eating soldier beetles, and more. 15 Smooth oxeye Heliopsis helianthoides Yellow 5 L/M Tolerates clay and moist soils. 16 Spotted beebalm Monarda punctata White/pink/yellow 3 L Tolerates dry, sandy soils; blooms prolically; highly attractive to benecial wasps and bees. 17 Spotted joe pye weed Eutrochium maculatum Pink/purple 6 M Prefers moist soils, including damp meadows. Attracts butteries. 18 Sti goldenrod Oligoneuron rigidum var. rigidum Yellow 5 M May be too aggressive for small areas. 19 Swamp milkweed Asclepias incarnata Pink 4 M Monarch caterpillar host plant. 20 Tall blazing star Liatris aspera Pink/purple 4 L Drought tolerant. An incredible monarch magnet. 21 Tall tickseed Coreopsis tripteris Yellow 7 L/M Attracts butteries, moths, and bees. Birds eat the seeds. 22 Whorled milkweed Asclepias verticillata White 3 L Monarch caterpillar host plant. 23 Wild bergamot Monarda stulosa White/pink/purple 5 L Hawk moths, hummingbirds, and long-tongued bumble bees are also common visitors. Fall 24 Skyblue aster Symphyotrichum oblongifolium Purple 2 L Late blooming with fragrant foliage. 13 14 15 16 17 18 19 20 21 22 23 24 Planting for Success Additional Resources Monarch nectar plants oen do best in open, sunny sites. You Publications & Resources can attract more monarchs to your area by planting owers in single species clumps and choosing a variety of plants that have Gardening for Butteries overlapping and sequential bloom periods. Monarchs are present e Xerces Society’s newest book introduces June through October in the Great Lakes region. Providing nectar you to a variety of butteries who need our plants that bloom from early summer through fall will be important help, and provides suggestions for native plants for breeding and migrating monarchs in the region. to attract them, habitat designs to help them thrive, and garden practices to accommodate Why Plant Native? all stages of their life. Available through www. Although monarchs use a variety of nectar plant species, including xerces.org/books. exotic invasives such as buttery bush and English ivy, we Attracting Birds, Butteries, and Other recommend planting native species. Native plants are oen more benecial to ecosystems, are adapted to local soils and climates, and Backyard Wildlife help promote biological diversity. ey can also be easier to maintain is award-winning book by the National Wild- in the landscape, once established. life Federation’s naturalist David Mizejewski is Tropical milkweed is a non-native plant that is widely available full of information on gardening for birds, pol- in nurseries. is milkweed can persist year-round in mild climates, linators and other wildlife, including illustrated allowing monarchs to breed throughout the winter rather than how-to projects, recommended plant lists, and going into diapause. Tropical milkweed may foster higher loads of gorgeous color photos. You’ll learn everything a monarch parasite called Oe (Ophryocystis elektroscirrha), which you need to know to create a Certied Wildlife Habitat . Available negatively impacts monarch health. Because of these implications, through http://bit.ly/1Xhxfgu. we recommend planting native species of milkweeds in areas where Conservation Status and Ecology of the Monarch Buttery they historically occurred. You can read more about Oe in a fact in the U.S. Report sheet by the Monarch Joint Venture: http://monarchjointventure. www.xerces.org/us-monarch-consv-report org/images/uploads/documents/Oe_fact_sheet.pdf. Milkweed Seed Finder Protect Monarchs from Pesticides www.xerces.org/milkweed-seed-nder Both insecticides and herbicides can be harmful to monarchs. Herbicides can reduce oral resources and host plants. Although Websites dependent on timing, rate, and method of application, most The Xerces Society www.xerces.org/monarchs insecticides have the potential to poison or kill monarchs and other Monarch Joint Venture pollinators. Systemic insecticides, including neonicotinoids, have www.monarchjointventure.org/resources received signicant attention for their potential role in pollinator Natural Resources Conservation Service declines (imidacloprid, dinotefuran, clothianidin, and thiamethoxam www.nrcs.usda.gov/monarchs are examples of systemic insecticides now found in various farm and National Wildlife Federation garden products). Because plants absorb systemic insecticides as they www.nwf.org/butteries grow, the chemicals become distributed throughout all plant tissues, including the leaves
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