What is pigweed allergy?

Online Answer
Pigweed allergies, also known as Lams Quarters, is a weed that produces heavy pollen and can induce hayfever, asthma, and conjunctivitis symptoms. Pigweed pollen is most common during the summer months. It can be found in nurseries, crops, roadsides, pastures, and other rural areas.
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The leaves of pigweed are also incredibly nutritious. They're high in vitamins A and C and folate, as well as calcium. In Jamaica, pigweed is known as callaloo and is a culinary staple.Aug 12, 2017
Lams quarters, (Chenopodium album), also called pigweed, annual weedy plant of the amaranth family (Amaranthaceae), of wide distribution in Asia, Europe, and North America. It can grow up to 3 metres (about 10 feet) but is usually a smaller plant.
The entire plant is edible, including the leaves, seeds, flowers, and stems. Pigweed leaves have a green and slightly astringent-sweet flavor with a semi-coarse texture.May 28, 2019
Rotary hoeing: Pigweeds are easily controlled with a rotary hoe when less than 1/4" in height. Flaming: Flaming is very effective on small pigweed plants (less than 1.5" in height). Crop rotation: Small grains suppress redroot pigweed in the rotation.
In these conditions, many herbicides break down over time and Palmer amaranth will keep growing. It can grow from 2 to 5 inches (51 to 127 mm) in three days, or less.