Course: SLF 150 Pasture Management

Reading & Audio Visual

Annual Weeds
Annual Weeds

Name | Size | Grows | Control | Note
BLACK NIGHTSHADE Solanum nigrum | 2 ft tall | sun or shade | pull by hand or treat with a post-emergence herbicide. | All parts of this plant are poisonous
CHICKWEED Stellaria | 6 inches tall | moist soil, sun or shade | mow, pull by hand or use pre-emergence herbicide | Chickens and other livestock will eat chickweed
DAYFLOWER Commelina communis | up to 30 inches tall | sun or shade | use a pre-emergence herbicide in spring; pull plants by hand or spot-treat with a nonselective post-emergence herbicide. |
FLEABANE Erigeron annuus | up to 2 ft tall | sun and partial shade | pull by hand or pre-emergence herbicide |
HENBIT Lamium amplexicaule | up to 12 inches | sun or shade | pull by hand, use post-emergence herbicide | Can be eaten by humans. Some birds like henbit seeds
LAMB’S QUARTERS Chenopodium album | up to 4 ft tall | sun or shade | pull by hand, mow or use post-emergence herbicide | Grazing animals will eat when young, but not mature plants
PIGWEED Amaranthus | up to 2 ft tall | sunny areas | mow, pull by hand, use pre-emergence herbicide | Considered potentially toxic to most livestock.
PROSTRATE SPURGE Euphorbia maculata | up to 3 inches tall | dry soil, sun | pull by hand, post-emergence herbicide |
PURSLANE Portulaca oleracea | up to 6 inches tall | dry soil, sun | pull by hand, use pre-emergence herbicide in spring | Wonderful source of omega 3 fatty acids. Entire plant is edible.
QUICKWEED Galinsoga | up to 2 ft tall | sunny areas | pre-emergence herbicide in spring to prevent it. Or pull by hand and mow. |
RAGWEED Ambrosia | up to 5 ft tall | sun or partial shade | post-emergence herbicide, pull by hand or mow |
SMARTWEED Polygonum | up to 42 inches tall | sunny areas, wet lands |  | While livestock do not eat smartweed it does support many types of wildlife such as birds, mice and raccoons
VELVETLEAF Abutilon theophrasti | up to 6 ft tall | sun | mow, pull by hand, use post emergence herbicide |
YELLOW CLOVER Melilotus officinalis | up to 3 ft tall | sun or shade |  | Similar to white clover