This orchid may be the poster child for non-native invasive plants. Publisher: Springer Berlin/ Heidelberg; ISSN: 0940-6360 (Print) 1432-1890 (Online); Issue: Volume 18, Numbers 6-7/September 2008; Pages: 331-338; Subject Collection: Biomedical and Life Sciences; Tsukuba Botanical Garden, National Museum of Nature and Science, 4-1-1 Amakubo. This map identifies those states that list this species on their invasive species list or law. This plant is in the orchid family, Orchidaceae, and is sometimes referred to as a “weedy” orchid. In some places, helleborine has become an unwanted weed because it grows so well and aggressively in a variety of conditions. I have many lady slippers in my woods but did not realize there were other wild orchids in the area. Website developed by The University of Georgia - Center for Invasive Species and Ecosystem Health and the National Park Servicein cooperation with the Invasive Plant Atlas of New England, Invasive Plant Control, Inc., USDA Forest Service,USDA NRCS PLANTS Database, Lady Bird Johnson Wildflower Center, National Association of Exotic Pest Plant Councils,Plant Conservation Alliance, and Biota of North America Program. For more information, visit www.eddmaps.org, State List - This map identifies those states that list this species on their invasive species list or law. I live in Southern New Hampshire. Smithsonian Environmental Research Center, NAOCC North American Orchid Conservation Center. Sign up to get all the latest gardening tips! Helleborine is a type of terrestrial orchid that is native to Europe. Detailed coverage of invasive species threatening livelihoods and the environment worldwide. One bonus of growing these orchids is that they are low maintenance and will thrive without much care. Did they slip across the border undetected? Light soil is best, with good drainage, but helleborine will tolerate other types of soil. Hand digging offers the best control for invasive broad-leaved helleborine orchid. The root system of helleborine is large and fibrous, and the bundle shoots up stems that may be as tall as 3.5 feet (1 meter). Full sun is ideal, and some shade is acceptable but may reduce the number of blooms. Plant Invaders of Mid-Atlantic Natural Areas, Jil Swearingen, personal communication, 2009-2017, Non-Native Invasive Plants of Arlington County, Virginia, Non-Native Invasive Plants of the City of Alexandria, Virginia, The University of Georgia - Center for Invasive Species and Ecosystem Health, National Association of Exotic Pest Plant Councils. Figure 2. They can grow in a variety of conditions and settings and are aggressive and weedy in some areas. Flowering stem is green to purplish and usually short hairy. The recommendation for helleborine orchid was based upon this literature review [PDF] developed by the department. Epipactis helleborine is a perennial herb in the orchid family that can grow anywhere from 9.8-35.4 in. A plant's ability to naturalize, establish self-sustaining and spreading populations in a new environment, is often a good indicator of its potential as an invasive weed. Filter by type Search Advanced search Datasheet Epipactis helleborine Toolbox. For more information, visit Invasive.org, Last updated October 2018 / Privacy June 19, 2016. The lower labellum is pale red and is much shorter than the upper petals. May have limited distribution due to specialized mycorrhizae fungi relationship. Here in Washington it is found especially in the western and especially the coastal areas of the state. Found in deciduous forests where there is limestone bedrock. This orchid was introduced into North America by garden clubs in the mid-1800s who popularized this orchid not just for its attractive flowers but for its reputed medicinal properties.Photo © Alan Cressler, This orchid may be the poster child for non-native invasive plants. Epipactis helleborine Europe. Contact: Dennis Whigham Also, the limiting factors between the models differ significantly. This small orchid is often regarded as a nuisance and has widely naturalized throughout Florida and adjacent areas in the coastal southeast. Epipactis helleborine, or Broad Leaved Helleborine, is a non-native orchid, originating in Europe but with a wide distribution across eastern and central Canada and the United States, and disjunct populations on …