Tag: weed
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Question of the Week – Henbit
What is this cool-season weed that is turning fallow fields purple right now? This is henbit (Lamium amplexicaule). This annual cool-season weed germinates in the fall and grows throughout the winter. It begins blooming in the late-winter, with some blooms visible earlier during warm spells. This time of year, fallow fields often have enough henbit…
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Question of the Week – Swinecress
This week, the question was: What is this weed that was found coming up in a mustard field? This is a cool-season weed called swinecress (Coronopus didymus). As a seedling, swinecress grows in a rosette, as seen here. As it matures and and begins to flower, it takes on a more spreading form. Tiny, white…
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Question of the Week – Vetch
This week, the question was: What is this weed that is starting to show now up in vegetable fields? This is common vetch (Vicia sativa). Vetch is a cool-season weed that begins germinating in the fall and begins blooming in the winter, peaking in the spring. Vetch is in the legume family, making it capable…
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Question of the Week – Passionflower
This week, the question was: What is this crazy looking flower? This is a passion flower (Passiflora incarnata). Passion flower is fast-growing vine that is native to the Southeast. It shows up on the edges of fields and wooded areas, and many grow it in their yards as an ornamental. The flowers are attractive to…
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Question of the Week – Autonomous Laser Weeder
This week, the question was: What is this contraption? This is a fully autonomous robotic laser weeder. The weeder creeps through the field without a human driver, using GPS, Lidar, and multiple sensors. The machine detects weeds in the planted crop. When a weed is detected, a laser zaps the weed, leaving the crop safely behind.…
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Question of the Week – Cutleaf Evening-primrose
This week, the question was: What is this cool-season weed coming up in the row middles of a fall kale field? This is cutleaf evening-primrose. This weed germinates and starts appearing in the fall and grows through the winter and spring until the weather gets hot. It starts out in a rosette with smooth leaf…
The South Carolina Grower 