Garlic mustard was the second most commonly observed invasive species, after multiflora rose. Invasive Plants of Wisconsin – Garlic Mustard. Links. Mark Renz, UW Extension Weed Science Revised: 01/31/2011. It likes to have some shade, so you don't usually find it in open, sunny spots. Learn to identify garlic mustard (Alliaria petiolata), a herbaceous biennial plant often confused with creeping charlie and emits garlic smell when crushed. Garlic Mustard Garlic Mustard is a rapidly spreading woodland weed that is displacing native woodland wildflowers in Wisconsin. My territory includes: all of Waukesha County; north of I-94 in Milwaukee County; southeast Washington County; Sheboygan and Elkhart Lake areas; and all of Ozaukee County. The plant replaces native flora by competing for light, nutrients and water. Deer and people are constantly spreading the seeds. The plant was little known here 2 decades ago. Alliaria petiolata, or garlic mustard, is a biennial flowering plant in the mustard family (Brassicaceae).It is native to Europe, western and central Asia, north-western Africa, Morocco, Iberia and the British Isles, north to northern Scandinavia, and east to northern Pakistan and Xinjiang in western China. Evergreen basal rosette develops during first year, then 1 … Garlic Mustard … 4). garlic mustard (Alliaria petiolata; MUSTARD FAMILY [Brassicaceae]) Erect 12-48” biennial woodland herb often found growing in dense colonies. It is reaching high proportions now. Encourage your community to scout for garlic mustard in your area and remove it, if found. It thrives in our natural woodlands and has the ability to eliminate our native wild flowers. The tenacity of garlic mustard makes it extremely difficult to control. Diboll said there are four methods to deal with garlic mustard: Several traits contribute to garlic mustard… This plant is a major threat to the survival of Wisconsin's woodland herbaccous flora and the wildlife that depends on it. In some areas in the southern counties the first flush of seeds of this persistent weed has germinated, forming a carpet of tiny seedlings. Invaded Territory: You'll find most of the garlic mustard in the southeastern and northeastern counties of Wisconsin. It dominates the forest floor and can displace most native herbaceous species within ten years. But, records show it occurring in most of the state. Garlic mustard grows in upland and floodplain forests, savannas, yards, and along roadsides. garlic mustard. For more information on garlic mustard: See UW-Extension brochure #2000 – “Garlic Mustard, a Major Threat to Wisconsin’s Woodlands”, or contact your county Extension agent. Read and follow all label directions on the herbicide product. Garlic mustard is one of the most threatening invasive plants in Wisconsin. It's found throughout Wisconsin, most often in areas with shade. DICOT HERBS b. DICOT HERBS c. MONOCOTS. The six states where garlic mustard was not observed on FIA plots were Maine, New Hampshire, North Dakota, Rhode Island, South Dakota, and Vermont. Garlic Mustard (Alliaria petiolata) is a rapidly seeding European plant sweeping southern Wisconsin. Garlic mustard may sound yummy (it was brought to North America by early settlers as a culinary herb), but, without its European insects and diseases to keep it in check, garlic mustard is an invasive plant that is changing Wisconsin’s woodlands and forests. According to the Wisconsin Department of Natural Resources, garlic mustard is a highly invasive plant. In those parts of the Wisconsin where the snow has finally melted and the sun is reaching the forest floor, garlic mustard plants are awaking from their winter dormancy and soon will grow quickly. 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