Mouse-ear Chickweed     Biology: Mouse-ear chickweed (Cerastium vulgatum) is a broadleaf weed that normally acts as a perennial; however, it has the ability to act as a winter annual depending climate conditions. Mouse-ear chickweed germinates by seed from late summer to fall or early spring. As long as cool climate conditions and moist soil […]

Common Chickweed     Biology: Common chickweed (Stellaria media) is a winter annual broadleaf weed. It forms dense, prostrate patches in turfgrass throughout North America, though it can grow much taller when it’s not mowed. Common chickweed germinates from seed in late summer or early fall. However, germination timings can vary throughout the year if […]

Wild Garlic     Biology: Wild Garlic (Allium vineale) is a monocotyledonous cool-season perennial that can be found throughout most of the eastern and southern United States. Despite having linear leaves and parallel veins, wild garlic is neither a grass nor a sedge; it is a member of the lily family. Wild garlic is more […]

Annual Bluegrass    Biology: Annual bluegrass, commonly referred to by its scientific name Poa annua (sometimes pronounced Po anna on TV), is a winter annual grass that is a difficult-to-control weed in turf. Seeds germinate in late summer, early autumn, and spring. Annual bluegrass is found throughout the United States, particularly in highly compacted, excessively […]

Henbit     Biology: Henbit (Lamium amplexicaule) is a common winter annual broadleaf weed found throughout the United States. It can often be mistaken for another closely related winter annual broadleaf, purple deadnettle. Both can be observed by their showy pink to purple flowers which are primarily produced in April, but can appear from March […]

Black Medic     Biology: Black Medic (Medicago lupulina) is a summer annual (or less commonly a winter annual) broadleaf weed that can be found throughout the United States. Seeds germinate in the spring and are capable of establishing in drought-prone or disturbed soils. Black medic is a legume, meaning that it has the capabilities […]

  White Clover     Biology: White clover (Trifolium repens) is a perennial broadleaf weed that can be found throughout the United States. Seeds can germinate in moist-cool conditions in spring, early summer, or early fall. Because it tolerates close mowing, can grow in multiple soil types, and has the ability to fix its own […]

      Nimblewill     Biology: Nimblewill (Muhlenbergia schreberi) is a warm-season perennial grass found throughout the northeast, southeast, and Midwestern United States. It can often be mistaken for other mat-forming grasses with blue-green foliage such as bermudagrass or creeping bentgrass. It grows well in moist, shady areas but it is also found in […]