South Dakota: Palmer Pigweed – Now’s the Time to Scout

🕔Sep 6, 2017It is close to three years now since the first palmer amaranth was found in South Dakota. Since that time there are about a dozen confirmed sites in the state. […]

Palmer Amaranth May be Hiding in Native Seed Mixes

🕔Aug 29, 2017Scientists from the Weed Science Society of America (WSSA) say some native seed mixes planted to foster habitats for honeybees and other pollinators have been found to be contaminated with […]

Iowa: Weed Quiz – Can You ID These 6 Different Pigweeds?

🕔Jun 21, 2017The six weedy Amaranthus species at the weed garden have grown quite a bit, but I’m not sure how much easier it is to differentiate a few of the species. Can you […]

Pennsylvania: Palmer Amaranth and Waterhemp Beginning to Emerge

🕔Jun 15, 2017Pigweed species have begun emerging for the season in Pennsylvania, including reports of Palmer amaranth and waterhemp in southeastern Pennsylvania. It is important to scout for these invasive weeds now, […]

I.D. Weed Seedlings: Common Waterhemp and Palmer Amaranth Differences

🕔May 23, 2017Growers should be on the lookout for common waterhemp and Palmer amaranth, which typically start emerging in the first or second week of May in Nebraska and continue emerging up […]

South Dakota Weeds: Identifying Palmer Pigweed

🕔Mar 20, 2017Palmer Amaranth in South Dakota Annual weeds are threat to many cropping systems in South Dakota. Palmer amaranth is a newer threat in the state depending upon your geographical location. […]

Missouri: Palmer Pigweed Invades 5 More Counties Each Year

🕔Mar 10, 2017Waterhemp and Palmer amaranth are easily confused. They are like ugly distant cousins at a family reunion. They look alike until you see them side by side. Their differences become […]

Minnesota: Weed Management – Need Help Identifying Palmer Pigweed and Waterhemp?

🕔Oct 14, 2016With the recent confirmation of Palmer amaranth in Minnesota, it is critical to identify this noxious weed, so it can be eradicated before it becomes widespread. A new pictorial guide […]

University of Tennessee Weed Diagnostics Center Helps Identify, Manage Weeds

🕔Oct 11, 2016What do golf course superintendents, farmers and weekend gardeners have in common? For one, they all share a strong dislike of weeds. Whether you’re a professional or amateur, nothing can […]

Palmer Pigweed – High Variability Makes Proper Identification Critical

🕔Aug 30, 2016The first step in managing any pest is correct identification.  For Palmer amaranth, we have stressed the need to examine the inflorescences of female plants for the presence of the large, sharp […]

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