Weeds and Their Control: Spreading Wallflower (Erysimum repandum)
Karen A native of Eruasia, this annual weed is also known as treacle mustard and bushy wallflower. It is wide spread through out most of the US where it grows on…
Weeds and Their control: Beaked Corn Salad (Valerianella radiata)
This native annual is a common weed in the Southeast and parts of the Mid-West where it is found in disturbed areas such as abandoned fields, meadows, and waste areas.…
Weeds and Their Control: Honeyvine Milkweed (Cynanchum laeve/ Ampelamus albidus)
Known by many common names including bluevine, climbing milkweed, sandvine,and smooth swallow-wort, this perennial twining vine is native to central and eastern US where it grows in disturbed areas such…
Weeds and Their control: Western Salsify (Tragopogon dubius)
This annual or biennial weed is a native of Eurasia and North Africa but was brought to North America about 1900 and is now common in most of the United…
Weeds and Their Control: Hemp Nettle (Galeopsis tetrahit)
Hemp nettle is native to Europe and northwestern Asia but has been introduced into North American and is a problem in the cool areas of the United States. It is…
Weeds and Their Control: Black Medic (Medicago lupulina)
Black medic is an annual or short lived perennial weed that is actually beneficial. Its roots have the ability to take nitrogen from the air and put it in the…
Weeds and Their Control: Annual Bluegrass (Poa annua)
A native of Europe, annual bluegrass is widespread in the United States occurring in all states including Alaska and Hawaii In mild climates it grows from fall to spring and…
Weeds and Their Control: Tall Buttercup (Ranunculus acris)
Tall buttercup is a perennial weed native to central and northeastern Europe and is now found in most of the United States where it is considered a noxious weed in…
Weeds and Their Control: Ground Ivy (Glechoma hederacea)
Also known as creeping Charlie, ground ivy is native of Europe and Asia that was brought to North America by early settlers for its medicinal and culinary value. It has…
Weeds and Their Control: Poorjoe/Common Buttonwood (Diodia teres)
Unlike its close relative, Virginia buttonweed, Poorjoe is an annual and prefers a somewhat dryer site and greater distribution. It is a native of Eastern United States and is now…