eUpdate Articles Tagged: World of Weeds


World of Weeds: Kochia

This is the second article in the “World of Weeds” series. Kochia, also known as tumbleweed, is native to Europe and Asia and was introduced from Europe as an ornamental in the mid- to late- 1800s. It is well adapted to the Great Plains. Read more about this weed and why management is so important to Kansas farmers.

kochia World of Weeds 

World of Weeds: Stinging nettle

The next article in the World of Weeds series is here! Stinging nettle was chosen in response to a reader request. Learn about the ecology and management options for this weed that can be found growing in disturbed, shady areas.

World of Weeds stinging nettle 

World of Weeds: Common sunflower

The common sunflower is next up in our World of Weeds article series. Read more about this plant, including it's ecology and control options, in this article from our Weed Science Specialist, Sarah Lancaster.

World of Weeds common sunflower 

World of Weeds: Palmer amaranth

The next World of Weeds article is here and features a familiar and frustrating weed for Kansas farmers - Palmer amaranth. Learn about its ecology and growth pattern from Extension Weed Science specialist, Sarah Lancaster.

World of Weeds palmer amaranth 

World of Weeds: Yellow nutsedge

Yellow nutsedge (Cyperus esculentus) is the feature of this month’s World of Weeds article. Several questions have come in recently regarding identification and control of yellow nutsedge. Learn more about this weed species in this article from Sarah Lancaster.

World of Weeds yellow nutsedge 

World of Weed: Morningglory

Morningglories (Ipomoea spp) are troublesome weeds that often escape pre-emergent herbicide applications and have the ability to reduce yields and harvest efficiency. Read all about morningglory in this latest installment of the World of Weeds series.

World of Weeds morningglory 

World of Weeds: Hophornbeam copperleaf

This World of Weeds article features a weed with a funny name, but one that can be a serious problem – especially if residual herbicides are not used. Learn all about Hophornbeam copperleaf and how to control it.

World of Weeds 

World of Weeds: Bur ragweed or woollyleaf bursage

This month's World of Weeds feature plant is bur ragweed, also known as woollyleaf bursage. Bur ragweed is broadleaf perennial weed and is classified as a noxious weed in KS. A deep rooting system allows it to survive extended periods of drought, making it difficult to control.

World of Weeds bur ragweed noxious weed woollyleaf bursage 

World of Weeds: Smooth sumac

When the leaves begin to change in the fall, a certain plant really stands out in Kansas fields and rangeland. Smooth sumac, which turns a vibrant red color, is the October World of Weeds feature plant.

World of Weeds smooth sumac 

World of Weeds: Downy brome

Fall is a good time to control weedy brome species. So the November World of Weeds article features downy brome. Learn how to identify this weed and the best way to control it in Kansas.

World of Weeds downy brome 

World of Weeds - Eastern redcedar

As we approach the Christmas holiday, the evergreen Eastern redcedar seemed an appropriate species to highlight in this month’s World of Weeds article. While native to Kansas, this species can be troublesome on rangeland when left uncontrolled.

World of Weeds eastern redcedar 

World of Weeds: Marestail

Marestail (Erigeron canadensis), also called horseweed, is a troublesome weed in several cropping systems in Kansas and beyond. Marestail is most problematic in reduced or no-tilled fields. Learn how to identify and control this pest in this latest World of Weeds article.

World of Weeds marestail horseweed 

World of Weeds - Foxtails

The next installment in the World of Weeds series is all foxtails. Green foxtail, yellow foxtail, and giant foxtail are three closely related annual weeds common throughout Kansas. Learn about the key identifying features and the most effective control measures.

World of Weeds annual weeds foxtails 

World of Weeds - Giant ragweed

Giant ragweed, also called horseweed, often comes to mind as a contributor to seasonal allergies in the fall. However, emergence of this weed begins in early spring, making it a timely topic for the March World of Weeds article.

World of Weeds horseweed giant ragweed 

World of Weeds: Bush honeysuckle

This month's World of Weeds article features two species of bush honeysuckle: Tatarian honeysuckle and Amur honeysuckle. Both of these plants are listed on the KDA Invasive Weed Watch list. Learn more about the ecology, plant characteristics, and control practices in this article.

World of Weeds honeysuckle 

World of Weeds: Tumble windmillgrass

Tumble windmillgrass (Chloris verticillata), also called windmillgrass is this month’s World of Weeds feature. Questions have been coming in about how to manage this grass as it can be difficult to control with herbicides once it becomes established in no-till fields.

World of Weeds windmillgrass 

World of Weeds - Stinkgrass

Stinkgrass is a warm-season annual grass that is native to Europe. It can be found in fields, pastures, roadsides, and lawns throughout the United States. Stinkgrass has recently started flowering in Manhattan and is this month's World of Weeds feature plant.

World of Weeds stinkgrass 

World of Weeds - Johnsongrass

Johnsongrass is a warm-season, perennial plant that is not native to Kansas. Since being introduced as a forage crop in south during the 1880s, it has spread throughout the U.S. It is considered a noxious weed in Kansas. Learn more about this weed and how to control it in this article.

World of Weeds johnsongrass 

World of Weeds - Prickly sida

The World of Weeds feature weed this month is prickly sida. This plant is a warm-season annual in the mallow family, the same family as cotton, velvetleaf, and other plants found in Kansas. Learn more about its identifying features and the best management options in this article.

World of Weeds prickly sida 

World of Weeds - Henbit

This month's World of Weeds feature is henbit, a winter annual that emerges in the fall or early spring. While not native to Kansas, it is found all throughout the state. Learn more about its identifying features and control options in this article.

World of Weeds henbit 

World of Weeds: Mustard species

Mustard species can often be difficult to differentiate, especially when in the cotyledon or rosette stage. It is important to be able to identify these weeds as some of them vary in their sensitivity to common herbicides. Learn all about mustards in this article.

mustards World of Weeds 

World of Weeds: Poison hemlock and Wild carrot

Poison hemlock was first introduced to the US from Europe during the 1800s. It has successfully invaded most of the United States and is typically found growing in frequently disturbed areas with moist soil, such as pasture and field edges, banks of streams, and in flood plains. Wild carrot is native to Eurasia. It is thought to have been brought to the US by early colonists and is now common in the eastern half of the United States. It can generally be found in pastures, roadsides, and woodland openings and edges. It grows best in full sunlight, as plants growing in heavy shade will act as annual plants. It is rarely found in cultivated or heavily managed fields.

World of Weeds 

World of Weeds: Jointed goatgrass (Aegilops cylindrica)

This World of Weeds feature will discuss this weedy relative of wheat, also know as joint goat grass. Jointed goatgrass is a winter annual that germinates roughly the same time as winter wheat and the rate of development of the two species is similar throughout the growing season. It is native to southern Europe and is thought to have been introduced in Kansas during the 1900s as a contaminant in imported wheat. It can be found in a variety of habitats, including roadsides, rights of ways, and fields throughout much on the United States, including all of Kansas.

wheat weed control World of Weeds 

World of Weeds - Hemp dogbane

We have received several questions about controlling hemp dogbane in pastures this summer, with many farmers reporting the weed is becoming more common and troublesome. This World of Weeds article will discuss how to identify this perennial weed and the best management options.

pastures World of Weeds hemp dogbane 


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