Its thrifty, biennial habit allows the plant to optimize growth in early spring months before native vegetation greens up. Garlic mustard is a shade tolerant, invasive species with the capability to establish in our state. Removing garlic mustard by hand is not difficult if done when the soil is moist. Garlic Mustard is a biennial herb that has been labeled an invasive weed in many areas. Unfortunately, because of its invasive habit, garlic mustard is rapidly dominating the forest floor, changing woodland habitat for plants and animals alike. Plant Invaders of Mid-Atlantic Natural Areas, 4th ed. 2011: Mayer, M., W. Hudson, G. Robbins. The dried stalks and seed pods can continue to hold viable seeds through the summer. Rutgers is an equal access/equal opportunity institution. Garlic mustard is a very invasive, fast-spreading weed, and Multnomah County has the worst infestation of it in Oregon. These include toothworts (Cardamine or Dentaria), wild anise (Osmorhiza longistylis), sweet cicely (Ozmorhiza claytonii) and early saxifrage (Saxifraga virginiensis). Remove plants completely from the site to avoid rerooting and seed production. But you don’t really need to know this to forage for it, and it’s easier to find 2nd year plants. Please click hereto see a distribution map of garlic mustard in Washington. Roots: First year garlic mustard roots are slender with a white “S” shaped taproot. It grows on sand, loam, and clay soil… It can also grow in full sun or full shade, making it a threat to a wide variety of our native plants and habitats. Garlic mustard, (Allaria Petiolata) is a biennial herb that can grow in sun or shade. A native to Europe, garlic mustard was originally introduced in North America by settlers for its “proclaimed” medicinal properties and use in cooking. Your planting area needs to be free and clear of any standing Garlic Mustard. Soil disturbance aids in seed production so reproduction is highest in the most disturbed sites. MSU is an affirmative-action, equal-opportunity employer. Garlic mustard reproduces only by seeds. 168pp. Start conquering that Garlic Mustard patch in spring, before it goes to seed! Like other biennials, garlic mustard’s appearance changes between the first and second year of its life. When using a weed line trimmer, care should be taken not to cut native plants growing near garlic mustard and to keep soil disturbance to a minimum. However, spraying in early spring, or late fall, when other plants are dormant, reduces the risk of destroying desirable plants. Many types of pollinators visit garlic mustard’s flowers, and though it is vilified as an invasive species in the northeastern US, its presence, like all other invasive species, tells an important ecological story. Using a spray shield to prevent drift and to protect other plants is recommended. Curious about garlic mustard edibility? This is best done by removing basal rosettes and second year plants before they flower. It is a biennial plant, so takes two years to complete its lifecycle. and root structure (c.) in header image), David Cappaert, Michigan State University, Bugwood.org (closeup of garlic mustard in flower in header image), Bruce Barbour (woods scene), and Steven Katovich, USDA Forest Service, Bugwood.org (garlic mustard in flower in wooded scene). trifularlin, found in Preen Garden Weed Preventer and other products). You can also get involved by reporting garlic mustard and other invasive species to the Midwest Invasive Species Information Network either through their online reporting tool or their smartphone app. Garlic mustard, Alliaria petiolata, is an aggressive non-native herb in the mustard family (Brassicaceae) which has invaded many wooded areas of New Jersey with the exception of the Pinelands. 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