Palmer amaranth is an Amaranthus (pigweed) species that has become a devastating glyphosate-resistant weed problem in the South and parts of the Midwest over the past decade. So close, it could already be in Western Canada. It rarely shows up in the northeast, having been collected in dump sites of nineteenth-century wool carding factories in Massachusetts. There are around 60 species of amaranth — all have varying degrees of good-to-eatness. Palmer amaranth is related to other pigweeds in our region including redroot, smooth, Powell, and spiny, but unlike these other pigweeds, Palmer amaranth grows faster and is dioecious, meaning that plants are either male or female. Palmer amaranth has been added to the North Dakota noxious weed list. It is also known as Palmer pigweed. Click links below for information on identifying and reporting Palmer amaranth (PA). With the discovery of PA in North Dakota, it is imperative to act quickly to address this new invader. “Grain screenings usually have some feed value for livestock and are routinely purchased without any idea of weed seed content,” Hoppe notes. “Combines are great spreaders,” says Johnson. It has several common names, including carelessweed, dioecious amaranth, Palmer's amaranth, Palmer amaranth, and Palmer's pigweed.It is native to most of the southern half of North America. Description. It has several common names including carelessweed, dioecious amaranth, Palmer’s amaranth, Palmer amaranth and Palmer’s pigweed. It usually only gets that tall in corn, but we can easily find 8-foot plants in other areas,” he said. It is a very invasive species as it produces hundreds of thousands of seeds per plant that are easily spread by wind, water equipment, and animals. Palmer amaranth is a highly competitive weed of field corn, cotton, peanut and soybean and has been confirmed to be resistant to glyphosate in nearly every agronomic county in Georgia. The Pennsylvania State University, 323 Agricultural Administration Building, University Park, PA 16802. “This is the time of year to be vigilant and look for Palmer amaranth in and around fields. “However, grain screenings can carry viable weed seeds that geminate is unusual locations,” he says. Some plants are capable of producing more than 500,000 seeds. Palmer amaranth was first found in Pennsylvania in 2013 and has quickly spread. Not all Palmer amaranths will have the watermark. Control is often challenging, as Palmer amaranth has resistance to many different herbicides. It has caused substantial losses in crop yield and farm income, and a permanent increase … Palmer amaranth-infested hay also came in from Kansas and Oklahoma, he adds. Palmer amaranth is a dioecious plant (plants are either male only or female only) that produces an enormous amount of seed. Yet, today’s popular and profitable herbicide It is critical to work collaboratively with your county weed board and county extension agents in identifying new populations. “However, grain screenings can carry viable weed seeds that geminate is unusual locations,” he says. It is causing extensive corn and soybean crop losses in many areas. The egg-shaped leaves are arranged alternately along the stem. You can also get amaranth flour to make gluten-free goodies. Palmer amaranth (Amaranthus palmeri) is a summer annual broadleaf weed that is native to the southwestern US and Mexico. Palmer amaranth is a highly competitive pigweed that is closely related to waterhemp. Palmer amaranth has been added to the North Dakota noxious weed list. Palmer amaranth (Amaranthus palmeri) is a problematic annual broadleaf weed in the amaranth genus. 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