Use it sparingly in salads and soups like you would … Can be planted early summer to late summer, as long as you have 90 - 120 days . June 4 2019. Other names attributed to Pennsylvania smartweed include Japanese knotweed. General description:  Erect or ascending growth with stems reaching 3 ft in length. Areas of expertise include agronomy, field crop production and management of corn, soybeans, and... ISU Extension and Outreach Moist, disturbed places, ditches, riverbanks, cultivated fields, shorelines of ponds and reservoirs from sea level to 1800 metres[270] Range: Eastern N. America - Nova Scotia to Ontario, Minnesota, Florida and Texas. prickly sida Sida spinosa. They all thrive in damp marshy ground or will grow on average soil with little or no irrigation. General description: Erect or ascending growth with stems reaching 3 ft in length. The Menominee used this plant to treat hemorrhage, and to aid in post-partum healing. Pennsylvania Smartweed: Family: Polygonaceae: USDA hardiness: Coming soon: Known Hazards: None known: Habitats: Waste ground in moist soils[235]. County observation records of Mississippi Vegetation Survey Project (Samples taken 9-1989 to 11-2003, inclusive of collection records and of field surveys by other authors). Do I need to add anything to a herbicide? Thank you! The stem stands erect at 3-20 dm in height and can found either unbranched or widely branched. Pennsylvania Smartweed in Kent Co., Maryland (10/4/2015). Learn how in this Weed of the Week segment. Pennsylvania smartweed, along with various other species of smartweed are a part of the buckwheat family. Flood in fall to attract all waterfowl. E. Portion of upper stem with leaf stalk and ocrea showing stalked glands. Effective herbicides for controlling these species, especially in burndown situations, are dicamba-containing products, such as Clarity, Banvel, and atrazine. Since there is loads of smartweed around, I would like to be able to determine which are the natives, which are not, and pass that knowledge on to others. Smartweed, also known as Polygonum hydropiperoides, is a plant that grows in low, wet environments throughout North and South America. Definition (amerikanisch) Pennsylvania, smartweed: Thesaurus, Synonyme, Antonyme Pennsylvania, smartweed: Pennsylvanischer Knöterich. Pennsylvania smartweed                        Persicaria pensylvanicum L. Family:  Polygonaceae (Smartweed family) Will flower into summer and early fall but tend not for long periods . The ochrea of ladysthumb has hairs on the margin, whereas PA smartweed lacks the hairs. Family Polygonaceae Also Called Heart's Ease, Lady's Thumb. Pennsylvania smartweed is an annual herb that has small, five-parted pink or rose colored flowers on a short spike. Leaves occasionally have purple spot in center. Pennsylvania smartweed. In small quantities smartweed makes a great pungent seasoning. Smartweed, Pennsylvania (Polygonum pensylvanicum) Quackgrass (Elytrigia repens) Yellow rocket (Barbarea vulgaris) Velvetleaf (Abutilon theophrasti) Red sorrel (Rumex acetosella) Thistle, Canada (Cirsium arvense) Wirestem muhly (Muhlenbergia frondosa) Yarrow, common (Achillea millefolium) Yellow toadflax (Linaria vulgaris) Smooth bedstraw (Galium mollugo) Biennial weeds live during two … Focus on Weed Control – Pennsylvania Smartweed. pinweed. Anonymous Guest. Anthropogenic (man-made or disturbed habitats), marshes, meadows and fields, shores of rivers or lakes, swamps, wetland margins (edges of wetlands) Characteristics. The blade may be marked with a dark blotch. By this, they are a popular and reliable food source for many animals. $12.75 /lb. Smartweed was used by the Native Americans in a number of ways. PA Central Lowland Province FACW Mix PA Piedmont Province FACW Mix PA Coastal Plain Province FACW Mix PA Blue Ridge Province FACW Mix Pink to white flowers are small and arranged in dense, elongated clusters up to 3 in long. The young leaves were eaten as a potherb and were used as seasoning as well. Life cycle:  Annual These leaves are easily identified by a prominent dark green smudge spanning perpendicularly across the half-way point of the light green mid-vein. Seed of Smartweed are eaten by all most all puddle ducks and geese. Others, such as the very similar looking Pennsylvania smartweed (Polygonum pennsylvanicum) can have a taste so biting that wildlife often won’t eat it unless no other vegetation is available. It was not until I started editing at home that I realize what looked like pink wheat were tiny pink hairy blossoms in an elongated cluster. Native status: Native to North America puncturevine Tribulus terrestris. Pennsylvania smartweed (left) with prostrate knotweed (right). Out of 127 droppings planted, 4 plants germinated (3.1%): Pennsylvania smartweed (Polygonum pennsylvanicum L.), annual bluegrass (Poa annua L.), and 2 Kyllinga spp. Can be planted early summer to late summer, as long as you have 90 - 120 days . Flowers are present June through October. What am I doing wrong? Persicaria pensylvanica requires wet soil conditions to germinate and can grow up to 1.2m tall and produce 19,000 seeds plant−1 (Sankula and Gianessi 2003). Leaves are lance-shaped. Have a very stubborn and dense infestation of Pennsylvania Smartweed. The average amounts of TKN and TP in fecal samples were 24.2 mg/g (range = 12.6 to 55.7) and 3.6 mg/g (range = 1.4 to 8.3) of dry matter, respectively. The leaves are lanceolate with a red watermark. PA: Literature: Wieland, R.G. Persicaria mississippiensis . State & National Extension Partners. Pennsylvania Smartweed: Family: Polygonaceae: USDA hardiness: Coming soon: Known Hazards: None known: Habitats: Waste ground in moist soils[235]. Stems are smooth, branched, often with reddish tint, and swollen nodes. Habitat. The small seeds of this plant are often found as contaminants within commercial grain. Because of this extensive root system it can be a strong competitor with other plants and is often difficult to control. Pennsylvania smartweed. Photo by Bill Hubick. Best herbicide to kill Pennsylvania Smartweed in turf during mid to late spring in Pennsylvania? Smartweeds emerge from soil depths of less than 1". Best herbicide to kill Pennsylvania Smartweed in turf during mid to late spring in Pennsylvania? All rights reserved. Replied June 12, 2017, 2:25 PM EDT. The ochrea is a membranous structure at base of leaf petiole found on members of the smartweed family. whereas Pennsylvania smartweed does not. 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