Weed group: is a creeping winter annual Characteristics: Life cycle begins with seeds germinate in late fall and winter. Spring produces tiny star shaped white flowers on hairy stems which set seed and die as the temperature rises. The spreading branch structure develops a fibrous root system wherever they come in contact with soil. This […]
Oklahoma Weed: Black Medic
Weed group: Summer annual. Black Medic is also considered a noxious weed Characteristics: Resembles and often mistaken as clover. Low growing, crawling weed. Black medic is also a legume and is able fix nitrogen from the atmosphere. Sprouts from seed in the spring and fall, often living through the winter. Plants that germinate in summer […]
Oklahoma Weed: Annual Bluegrass (Poa)
Weed group: Broad leaf winter annual Characteristics: Thrives in moist soil and cool weather and dies in dry hot weather. Forms dense bright green patches. Each plant produces apprx. 100 seeds. There are actually 2 types of Bluegrass one being a true annual and the other a perennial. It is difficult to differentiate between the […]