All four grow best in full sun; L. japonica is the most shade-tolerant of the four, with L. tatarica and L. maackii being semi-shade tolerant. long by ½-1½ in. The Report IN is a regional effort to develop and provide an early detection and rapid response (EDRR) resource for invasive species. Trained on a trellis, a single plant is normally used. The foliage has an opposite orientation. University of Georgia. By entering your email, you consent to receive communications from Penn State Extension. In warmer areas, it is semi-evergreen to evergreen. Like many invasive species, Japanese honeysuckle (Lonicera japonica) likes to grow along the edge of a disturbance (wood edge, path). Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. Japanese Honeysuckle is another highly-invasive weed that has also taken hold in places around the lower pondage and at the water’s edge. Woody stems with … Going Native: Urban Landscaping for Wildlife with Native Plants. Purple loosestrife 2. Ohio Agricultural Research and Development Center. Even though Japanese honeysuckle is a highly desirable, highly utilized ornamental, it has quickly become a problem in the U.S. due to its fast growth rate and ability to displace native plant species. Japanese honeysuckle (Lonicera japonica) is an extremely invasive honeysuckle with very fragrant flowers. IFAS. (2.5-6.4 cm) long. Distribution U.S. Invasive Plants in Pennsylvania: Japanese Honeysuckle (PDF | 290 KB) Pennsylvania Department of Conservation and Natural Resources. The species known as "bush honeysuckle" are upright deciduous shrubs with long arching branches, are commonly 6 to 20 feet tall, and have shallow root systems. This invasive vine colonizes by prolific vine growth and seeds that are spread by birds. Smithsonian Environmental Research Center. Problem: Japanese honeysuckle damages forest communities by out competing native vegetation for light, below- ground resources, and by changing forest structure. Young stems may be pubescent while older stems are glabrous. Lonicera japonica has been placed on the Florida Exotic Pest Plant Council’s list of invasive species because of these characteristics. In late summer, mowing (if possible) or cutting the vines needs to be followed up with an application of concentrated herbicide (glyphosate or triclopyr) to the cut wood. Center for Aquatic and Invasive Plants. The flowers commonly The invasive Japanese honeysuckle is a vigorously climbing vine that can take over your landscape if it's not controlled. Forest Service. Japanese_honeysuckle_vine.jpg. Texas Commission on Environmental Quality, Galveston Bay Estuary Program; Houston Advanced Research Center (HARC). Japanese honeysuckle weed is somewhat easy to differentiate from native species. Japanese Honeysuckle Vine. Japanese honeysuckle is an invasive, non-native climbing vine. An invasive plant species … USDA. Why do we need this? U.S. Habitat: Prefers open spaces but easily invades forest understory. These non-native plants thrive in full sunlight, but can tolerate moderate shade, and are therefore aggressive invaders … Japanese honeysuckle also may alter understory bird populations in forest communities. Japanese Honeysuckle (Lonicera japonica) Plant: perennial, deciduous to semi-evergreen twining vine; stems are pubescent and reddish brown to light brown. Leaves: Leaves are simple, 1½-3½" long, oval, and opposite.Occasionally, leaves low on the vine may have rounded lobes. View our privacy policy. Smithsonian Institution. It is commonly found along roadsides, forest edges, and in abandoned fields as it quickly invades natural areas after disturbances such as logging, floods, or … Provides state, county, point and GIS data. Ecology: Japanese Honeysuckle is a common invasive plant in the Southeast. Pennsylvania Department of Conservation and Natural Resources. The goal of this regional resource is to assist both experts and citizen scientists in the detection and identification of invasive species in support of the successful management of invasive species. It can girdle small saplings by twining around them, and can form dense mats in the canopies of trees, shading everything below. Imported years ago from Asia for use as an ornamental, it quickly spread into the wild, and is now considered invasive. Garlic mustard A list of invasive exotic plants , found in Indiana n… It may become established in forested natural areas when openings are created from treefalls or when natural features allow a greater light intensity in the understory. is a member of the Caprifoliaceae family.This invasive plant species is also known as honeysuckle, Chinese honeysuckle, woodbine, silver honeysuckle and Golden honeysuckle.The woody perennial plant is deciduous or evergreen in nature. It prefers full sun, but it can grow in shaded environments. Description: Perennial woody vine; grows in a dense tangle over ground and atop other vegetation.Young stems have fine hairs. You can also cut the plants in mid to late summer, wait for the plants to regrow, and then spray the new foliage. Description Due to its climbing nature, using a mower for management could be a problem. The white, ornate flowers appear in the spring and are very fragrant. This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. Lonicera japonica invades a wide variety of habitats including forest floors, canopies, roadsides, wetlands, and disturbed areas. It is an aggressive, invasive vine readily colonizing new habitats. National Invasive Species Information Center, Early Detection & Distribution Mapping System (EDDMapS) - Japanese Honeysuckle, Invasive Plants of Ohio: Fact Sheet 9 - Japanese Honeysuckle & Asian Bittersweet (PDF | 214 KB), Invasive Plant Atlas of the United States - Japanese Honeysuckle, New York Invasive Species Information - Honeysuckle, Pacific Island Ecosystems at Risk (PIER) -, The Quiet Invasion: A Guide to Invasive Species of the Galveston Bay Area - Japanese Honeysuckle, National Exotic Marine and Estuarine Species Information System (NEMESIS): Chesapeake Bay Introduced Species Database -, Invasive Plants: Other Invasive Plants - Japanese Honeysuckle, Weed Identification Tool - Japanese Honeysuckle, Weeds in Australia - Japanese Honeysuckle (, New Hampshire's Prohibited Invasive Plant Fact Sheets, New Jersey Non-Native Plants - Japanese Honeysuckle (Oct 2008) (PDF | 72 KB), Invasive Plant Species Fact Sheet: Japanese Honeysuckle (2006) (PDF | 730 KB), Field Guide: Invasive - Japanese Honeysuckle, Invasive Plants in Pennsylvania: Japanese Honeysuckle (PDF | 290 KB), Invasive, Exotic Plants of the Southeast - Japanese Honeysuckle, Maine Invasive Plants Bulletin: Japanese Honeysuckle, Ohio Perennial & Biennial Weed Guide - Japanese Honeysuckle, Species reports for selected non-native plants on Maui, Hawaii. New Hampshire Department of Agriculture, Markets, and Food. Marine Invasions Research Lab. Japanese honeysuckle is a well-known plant, found throughout many parts of the United States. This plant reproduces by seed or from the runners that can root at the node. Appearance Lonicera japonica is a woody perennial, evergreen to semi-evergreen vine that can be found either trailing or climbing to over 80 ft. (24 m) in length. Division of Plant Industry. ) is a perennial semi-evergreen vine native to Japan. Restoration efforts are underway to remove invasive species and introduce plants native to Pennsylvania. It’s a strong climber and is often found twining up trees or through shrubs. In an effort to control the further spread of the invasive plant Japanese honeysuckle at Pere Marquette State Park, an aerial spray treatment operation was conducted at the park Nov. 12-13. Young leaves have smooth lobes and are narrow and elongate. Japanese honeysuckle leaves are separate, growing opposite from each other on the stem and are dark green all over. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely. North Carolina Department of Agriculture and Consumer Services. This plant reproduces by seed or from the runners that can root at the node. It was brought to the United States, along with other non-native honeysuckles such as Tatarian (Lonicera tatarica), as an ornamental plant. It is a twining vine able to climb up to 10 metres (33 ft) high or more in trees, with opposite, simple oval leaves 3–8 centimetres (1.2–3.1 in) long and 2–3 centimetres (0.79–1.2 in) broad. ARS. National Genetic Resources Program. First introduced in 1806 as an ornamental ground cover, it slowly escaped cultivation and became widely established by the early 1900s. Autumn olive 4. For example, most native honeysuckles are fused at the stem so that they form one leaf. Fortunately, not all vining honeysuckles are as vigorous and invasive as Japanese honeysuckle. It is often grown as an ornamental plant, but has become an invasive species in a number of countries. Glossy buckthorn 5. Google. Cooperative Extension. It prefers full sun, but it can grow in shaded environments. The vines overtop adjacent vegetation by twining about, and completely covering, small trees and shrubs. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Remember to always read the label for specific application sites, precautions, and mix rates. The shade tolerant vine occurs along field edges, right-of-ways, under dense canopies, and high in canopies. The scarlet trumpet honeysuckle (Lonicera sempervirens) is a better choice for climbing the likes of a fence or trellis. Lonicera japonica, known as Japanese honeysuckle and golden-and-silver honeysuckle, is a species of honeysuckle native to eastern Asia. are present, the vines will climb vertically. Both weeds present a serious threat to native plants and need to be treated. GRIN-Global. Cooperative Extension. See also: Invasive Plant Fact Sheets for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands Like all woody invasive species, Japanese honeysuckle requires time and effort to remove. The .gov means it’s official.Federal government websites always use a .gov or .mil domain. JavaScript seems to be disabled in your browser. Although Japanese honeysuckle prefers moist, loamy soils, these ideal conditions can cause the plant to grow too vigorously. Present: AL, AR, AZ, CA, CT, DC, DE, FL, GA,HI, IL, IN, KS, KY, LA, MA, MD, ME, MI, MO, MS, NC, NE, NH, NJ, NM, NV, NY, OH, OK, PA, PR, RI, SC, TN, TX, UT, VA, WA, WI and WV New Jersey Department of Environmental Protection. Japanese honeysuckle, Lonicera japonica, is a beautiful vine with very fragrant white or pale yellow flowers that are visited by hummingbirds. Japanese honeysuckle can form a dense mat-like groundcover, reducing the diversity of native shrubs and forbs and reducing tree recruitment (Munger 2002). In Ohio, the plants are semi-evergreen with leaves Japanese honeysuckle 3. Plant it in full sun to part shade; shadier locations will both reduce the amount of flowering and also stunt the plant's growth somewhat. Indiana Department of Natural Resources. Japanese honeysuckle is a trailing woody vine with white tubular flowers that yellow later in the season prior to formation of purplish-black berries. Additionally, the stems of native species are sol… The seeds are dispersed in black fruit. Invasive impacts. Japanese honeysuckle is an invasive exotic vine. Department of the Environment and Energy. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement, Common Pokeweed Identification and Management. YouTube; New Zealand Northland Regional Council. Maps can be downloaded and shared. When planted as a ground cover, use 2 or 3 plant… LEARN HOW TO STOP THE INVASIVE SPOTTED LANTERNFLY, Coronavirus: Information and resources for the Extension Community. Last month, Ron described giant cane reed, the eighth pest in the series. Where suitable vertical structures such as trees, fences, utility infrastructure, etc. Leaves: paired (opposite), ovate to oblong-ovate, about 1-3 in. Japanese honeysuckle Description. Now included on the U.S. government’s short list of invasive plants, Japanese honeysuckle is regarded as invasive for its tendency to girdle young trees and aggressively shade out other plants by forming dense mats in tree canopies. This aggressive vine seriously alters or destroys the understory and herbaceous layers of the communities it invades, including prairies, barrens, glades, flatwoods, savannas, floodplain and upland forests. Ohio State University. While it may grow up to 20 feet or more in length, it is not nearly as vigorous as Japanese honeysuckle. While some are well-behaved, others have the decidedly unattractive habit of spreading and taking over the landscape. North Carolina State University. INVASIVE PLANTS OF OHIO Fact Sheet 9 Japanese Honeysuckle & Asian Bittersweet Lonicera japonica, Celastrus orbiculatus DESCRIPTION: Japanese honeysuckle is a vine with entire (sometimes lobed), oval-oblong, opposite leaves from 1 ½ -3 inches long. Japanese honeysuckle is used in traditional Chinese medicine. Seedlings can be removed by hand. ... a significant amount of Japanese honeysuckle … Like many invasive species, Japanese honeysuckle (Lonicera japonica) likes to grow along the edge of a disturbance (wood edge, path). Japanese honeysuckle is the ninth article in the series and the sixth invasive plant to be presented. There are many different species of honeysuckle, many of which smell divine and are quite pretty. Or, to display all related content view all resources for Japanese Honeysuckle. According to the U.S Forest Service, Invasive species have contributed to the decline of 42% of U.S. endangered and threatened species, and for 18% of U.S. endangered or threatened species. Japanese Honeysuckle Lonicera japonica. Japanese honeysuckle is a fast-growing vine with fragrant white flowers that’s frequently found in Florida landscapes. The Japanese honeysuckle (Lonicera japonica; Suikazura スイカズラ/吸い葛 in Japanese; Jinyinhuain Chinese; 忍冬 in Chinese and Japanese) is a species of honeysuckle native to eastern Asia including China, Japan and Korea. University of Florida. Australian Government. University of Maine. All four species are successful invaders of a similar range of habitats, including: abandoned fields; pastures; early successional, open canopy, and planted forests; along the edge of woodlots; floodplains; highway, railway and utility rights-of-way; open disturbed areas; vacant lots; edges of lawns; and, gardens. Growth is aggressive, and the plant will climb over other desirable plant material. Exotic species of honeysuckle, such as the Japanese honeysuckle (Lonicera japonica), can become particularly invasive. Leaves are normally a medium green on the upper portion with a bluish-green hue on the underside. 2019 Status in Maine: Localized.Severely Invasive. (The Grumpy Gardener is ambivalent about it.) Japanese Honeysuckle creeps and climbs over everything in its path, eventually smothering native species. Foliage Leaves are opposite, pubescent, oval and 1-2.5 in. Although it prefers sunny locations it … You must have JavaScript enabled in your browser to utilize the functionality of this website. The stems of Japanese honeysuckle are flexible, hairy, pale reddish-brown, shredding to reveal straw-colored bark beneath. L. japonica can also be found in agricultural fields. In northern areas, Japanese honeysuckle drops its foliage. Japanese honeysuckle (Lonicera japonica Thunb.) Mature leaves are oval with smooth edges with hairs on the surface. It does well in dry conditions, which can also help check its rampant growth. The section below contains highly relevant resources for this species, organized by source. Examples of non-native plants include: 1. Japanese honeysuckle. In fact, it's banned in several states. They were first introduced into the United States in the mid to late 1800s from Europe and Asia for use as ornamentals, wildlife food and cover, and erosion control. Lonicera japonica (Japanese Honeysuckle) is listed in the Invasive Plant Atlas of the United States. Get notified when we have news, courses, or events of interest to you. Invasive Plant Species Assessment Working Group. Can be found in several types of habitats in the United Statesincluding fields, forests, wetlands, barrens, and all types of disturbed lands. Foliar applications of glyophosate or triclopyr can also be applied, but if this is done early in the growing season, further monitoring will be required to watch for regrowth. Center for Invasive Species and Ecosystem Health. Entering your postal code will help us provide news or event updates for your area. INVASIVE PLANT SPECIES FACT SHEET. Enabled in your browser to utilize the functionality of this website receive communications from State. 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