Content Related to Weed Identification

Crop News

Scout Now for Palmer Amaranth - August 1, 2019
The Source Matters for Getting the Most out of Aerial Imagery - March 10, 2016
New Weed Identification Field Guide Provides Updated Weed and Herbicide Resistance Information - October 30, 2015

Encyclopedia Article

Weed Identification Fact Sheets - May 22, 2020
Wild four-o-clock - May 21, 2020
Wild violet (Common blue violet) - June 8, 2018
Puncturevine - June 8, 2018
Blackseed and broadleaf plantain - June 8, 2018
Waterhemp - June 8, 2018
Common sunflower - June 8, 2018
Fall panicum - June 8, 2018
Shepherdspurse - June 8, 2018
Wild parsnip - June 8, 2018
Wild carrot - June 8, 2018
Redroot pigweed - June 8, 2018
Poison ivy - June 8, 2018
Woolly cupgrass - June 7, 2018
Shattercane - June 7, 2018
Downy brome - June 7, 2018
Scouring rush - June 7, 2018
Giant foxtail - June 7, 2018
Jimsonweed - June 7, 2018
Wild four-o' clock - June 7, 2018
Eastern black nightshade - June 7, 2018
Curly dock - June 7, 2018
Yellow woodsorrel - June 7, 2018
Venice mallow - June 7, 2018
Green foxtail - June 7, 2018
Goosegrass - June 7, 2018
Garlic mustard - June 7, 2018
Foxtail barley - June 7, 2018
Field bindweed - June 7, 2018
Prostrate spurge - June 7, 2018
Yellow nutsedge - June 5, 2018
Honeyvine milkweed - June 5, 2018
Hairy galinsoga - June 5, 2018
Giant ragweed - June 5, 2018
Asiatic dayflower - June 5, 2018
Dodder - June 5, 2018
Prickly lettuce - June 5, 2018
Japanese knotweed - June 5, 2018
Motherwort - June 5, 2018
Common and cutleaf teasel - June 5, 2018
Common pokeweed - June 5, 2018
Yellow foxtail - June 5, 2018
Ground ivy (Creeping Charlie) - June 5, 2018
Multiflora rose - June 5, 2018
Kochia - May 31, 2018
Palmer amaranth - May 31, 2018
Russian thistle - May 31, 2018
Witchgrass - May 31, 2018
Velvetleaf - May 31, 2018
Smilax (greenbriar) - May 29, 2018
Spiny sowthistle - May 29, 2018
Sericea lespedeza - May 29, 2018
Nimblewill - May 29, 2018
Quackgrass - May 29, 2018
Poison hemlock - May 29, 2018
Musk thistle - May 29, 2018
Leafy spurge - May 29, 2018
Large crabgrass - May 29, 2018
Ivyleaf morningglory - May 29, 2018
Hemp dogbane - May 29, 2018
Hedge bindweed - May 29, 2018
Horseweed (marestail) - May 29, 2018
Buckhorn plantain - May 25, 2018
Black medic - May 25, 2018
Barnyardgrass - May 25, 2018
Burcucumber - May 25, 2018
Bull thistle - May 25, 2018
Bush honeysuckle - May 25, 2018
Canada thistle - May 25, 2018
Carpetweed - May 25, 2018
Common buckthorn - May 25, 2018
Catchweed bedstraw - May 25, 2018
Common chickweed - May 25, 2018
Common burdock - May 25, 2018
Common cocklebur - May 25, 2018
Common dandelion - May 25, 2018
Common lambsquarters - May 25, 2018
Common mallow - May 25, 2018
Common milkweed - May 25, 2018
Common mullein - May 25, 2018
Horsenettle - May 25, 2018
Common ragweed - May 24, 2018
Field horsetail - May 24, 2018
Virginia creeper - May 24, 2018
Prostrate knotweed - May 24, 2018
Pennsylvania smartweed - May 24, 2018
Wild buckwheat - May 24, 2018
Buffalobur - May 24, 2018
Prickly sida - May 24, 2018
Henbit - May 21, 2018

Event

Iowa State Fair Weed ID Contest - June 28, 2024

ICM Blog Post

Show Off Your Skills at the Iowa State Fair Weed Identification Contest - July 7, 2022
Identifying weeds with frilly or lacy leaves this spring - April 28, 2021
Test Your Weed Identification Skills at the Iowa State Fair - July 17, 2019
iNaturalist: Confessions of a skeptic - May 20, 2019
A good time to scout for Palmer amaranth - July 24, 2017
The State Fair Weed ID Contest is Approaching - July 19, 2017
Weedy Amaranthus Quiz II - June 21, 2017
Palmer amaranth - A highly variable weed - August 30, 2016
New Palmer amaranth identification bulletin available - August 25, 2016
Fields (and roadsides) of gold - May 26, 2016