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, ... Lady Bird Johnson Wildflower Center Native Plant Information Network (POLA4) Native American Ethnobotany (University of Michigan - Dearborn) (POLA4) Native. The range of this plant has expanded more than 300 miles since its original establishment in a nursery in Pennsylvania, and it is regarded as a plant with serious invasive potential. The seeds were gathered and mixed with other items to enhance flavor as they have a sharp, peppery taste. In Montana, Pennsylvania Smartweed was collected once from a garden in Fallon County (Lesica 2012). Description: This plant grows from 2"-40" tall. Other names for Pennsylvania Smartweed include Heartsease, Purple Top, Glandular and Swamp Persicary and Pinkweed.. It is widespread throughout the U.S and Canada. Discover (and save!) Anthropogenic (man-made or disturbed habitats), marshes, meadows and fields, shores of rivers or … Pennsylvania Smartweed Polygonum persicara. Range & Habitat: The non-native Creeping Smartweed is locally common in some urban areas of NE Illinois, otherwise it is widely scattered and uncommon (see Distribution Map). Native Americans used Pennsylvania smartweed for medicinal purposes. You'll find photos and details for 115 weeds plus helpful videos and other weed-fighting tips. Apparently, it has not been observed in a few counties in SW Illinois. Pennsylvania Smartweed is a 2' to 5' tall native annual featuring short spikes of densely spaced small pink flowers. Flowers Flowers are clustered in terminal spikes at the ends of stems. This noxious weed will move in and begin to take over an area. It is not as competitive as most weeds and does not do well in crowded fields, where it tends to get pushed out. Pennsylvania Smartweed is a 2' to 5' tall native annual featuring short spikes of densely spaced small pink flowers. The Menominee used this plant to treat hemorrhage, and to aid in post-partum healing. Smartweed, also known as Polygonum hydropiperoides, is a plant that grows in low, wet environments throughout North and South America. If you are using farming equipment in contaminated areas, make sure you give your machines a good cleaning to ensure that none of the rhizomes wrap around and/or hang off of the tillage equipment. The seeds were gathered and mixed with other items to enhance flavor as they have a sharp, peppery taste. Use our Weed ID to find your weed and the Preen product to control it. Species and range: Polygonum pensylvanicum, commonly known as Pennsylvania smartweed or pinkweed, originates from North America. This article contains tips to help you take control of this pesky nuisance. Pennsylvania Smartweed also produces small, two-sided achene’s that have one seed in them. Keeping this prolific weed out of your garden or lawn can be difficult. Pennsylvania smartweed is a native annual of moist disturbed sites. It is widespread throughout the U.S and Canada. A weed that I have gotten many questions and emailed pictures about this spring is Pennsylvania Smartweed. Pennsylvania smartweed leaf. It considered excellent for fish habitat and good for promoting insect life. Habitat: Pennsylvania smartweed is native to moist soils in much of southern Ontario. Silver fleece vine (Polygonum aubertii) Also called silver lace vine, this bee plant is closely related to the smartweeds and knotweeds. The Smartweed is common throughout North American and nearly year round in the southern range. Lawn care methods such as mowing and watering can help prevent this weed from taking root, by creating a dense turf bed. Can be planted early summer to late summer, as long as you have 90 - 120 days . The PLANTS Database, National Plant Data Team, Greensboro, NC 27401-4901 USA. Pennsylvania smartweed can be found in low marshy ground, mud along irrigation ditches, streams, rivers and pools. Pennsylvania Smartweed (Persicaria pensylvanica laevigata) Pennsylvania Smartweed. Native Americans used Pennsylvania smartweed for medicinal purposes. This plant bears white to pinkish flowers from March to November. Actually it is easy to identify even when brown dead and is still peppery. Stems. If left unchecked this weed can become widespread and shade out other plants, so proper weed control is needed. Seed-time: August to November. your own Pins on Pinterest Facts: Native Americans have many medicinal uses for this… your experience, perform analytics and deliver personalized advertising on our sites, Because of it's generic appearance and soil preferences, Lady's Thumb is often confused with it's very close cousin (who also prefers these soils), Pennsylvania Smartweed (Polygonum pennsylvanicum). It has freely branching stems and a lot of joints which gives the plant its name. Origin: Native to eastern North America, and introduced to the western states where it now can be found throughout most of the continent. It is a broadleaf weed that is both branched and unbranched with a ribbed stem. Field Guide     Weed Management     Pennsylvania Smartweed, Crop Impacts: Hay fields and cultivated lands. Pennsylvania Smartweed is a summer annual plant that is native to North America. http://www.weedalert.com/details.php?id=87, http://www.msuweeds.com/worst-weeds/smartweeds/. Leaves ... Smartweed- Flower. You will receive an e-mail that looks just like the post with all the pictures. By this, they are a popular and reliable food source for many animals. I believe she said her parents learned it from the Native Americans in the Mingo County, WV area. We use these technologies for The most effective way of chemically controlling Pennsylvania Smartweed is by applying herbicides that have dicamba in them, such as atrazine, Banvel and Clarity. Leaves are alternate, lance-shaped with pointed tips and smooth margins, usually hairless and occasionally with a purple watermark. Oriental lady’s thumb range map. (2015). Time of bloom: July to October. Want to get rid of your weeds? All non-native plants will use someone else for the description. Leaves that are lance-shaped is a common characteristic of this plant. The native Pennsylvania Smartweed, formerly Polygonum pensylvanicum, is common throughout most agricultural regions of the state and often weedy in urban areas, and was once considered a county-level noxious weed in Minnesota. Habitats include wet prairies, prairie swales, swamps, low areas near ponds or rivers, edges of marshes, degraded seasonal wetlands, abandoned fields, low areas along railroads, roadside ditches, vacant lots, fence rows, and waste areas. This plant is usually found in moist to wet soils and prefers full sun sites. 678-341-9923, ©2020 WinLAWN® All Rights Reserved. It can produce upwards of 20,000 seeds per plant that can persist in the soil for several years so control of this weed before seed set is critical for the backyard grower, community gardener and … Seeds per ounce 13,000, Seeds per packet 500, Germination: CM60, Lt? ANNUAL, Full sun, part shade, Jul-Oct, White to rose-pink, 3 ft North American Range: Eastern, Central Nebraska Range: Statewide Soil type: Average Moisture: Wet to medium Uses and Description: Pond edges, streambanks, wetland restoration, Seeds provide food for waterfowl and other birds. Pennsylvania smartweed seedling. It grows best in dark, loamy, moist soils and requires full to partial sunlight. This plant is usually found in moist to wet soils and prefers full sun sites. Pennsylvania Smartweed is a water-loving annual that is commonly found on mudflats of freshwater and moderately brackish areas. Seed of Smartweed are eaten by all most all puddle ducks and geese. While Pennsylvania Smartweed flowers vary in color from white to light pink or bright pink, the bright pink is a vibrant and very attractive flower. It takes root easily in row crops and becomes harder to control as it matures. Reproduction: seeds from pink flowers in the spike-like clusters Conditions that favor growth: common weed of nursery crops and landscapes; rarely a problem in turfgrass; tolerates a range of soil types and conditions Cultural control: Remove young plants before flowers form Five pale pink flowers at the tip of the plant is an easy way to identify it. Habitat. The leaves are long and narrow, ending in a point. Pennsylvania smartweed is a competitor of commercial crops such as cereals, berries, and vegetables. This wild grain is an important food source for wildlife, but it becomes a noxious weed when it gets into garden plots and lawns.. What is Smartweed? Pennsylvania Smartweed is a summer annual plant that is native to North America. When it grows taller it's stems have little ribs on them. A member of the Knotweed family, smartweed is a native, warm-season annual. Both of these species can be problems in agronomic cropping systems since they can tolerate a range of soil types and conditions. It is found in southern New England. Tolerates periodic flooding. Smartweed is a common wildflower often found growing along roadsides and railroad tracks. Smartweed (Polygonum pensylvanicum) is an annual broadleaf.As an annual, it reproduces through seeds that drop near the parent plant to produce … Polygonum pensylvanicum can reach heights of up to 6 feet. This website uses tracking tools, including cookies. One plant can have up to 800 achenes. Uses and Parts Used. The fast growing, slightly woody, twining, deciduous plant has stems that can grow up to 20 feet annually. We are a leading local lawn care service providing professional weed control, fertilization, & other turf care services in the metro Atlanta, Georgia area. Range & Habitat: Pale Smartweed is a common plant that occurs in most counties of Illinois (see Distribution Map). Family: Buckwheat or Smartweed Family (Polygonaceae). It thrives in most soil types except droughty sites. Plants occasionally grow to 4 feet tall, but even when mowed repeatedly smartweed often manages to produce flowers. , Banvel, and small mammals County ( Lesica 2012 ) in colors of white pink... This community is found throughout Pennsylvania along creeks and rivers within all major river basins berries! Uses for this… Pennsylvania smartweed produces lots of pollen to enhance flavor as they a! Other names for Pennsylvania smartweed or Pinkweed, originates from North America narrow ending. Smartweed include Heartsease, purple Top, Glandular and Swamp Persicary and Pinkweed Pinkweed and Pennsylvania,... Not as competitive as most weeds and does not do well in crowded fields, where is! Freely branching stems and a lot of joints which gives the plant is closely related to the and. “ know how., warm-season annual - Acts as a cover Crop in floodplains and wetland! 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