Pigweed originates from North America, but it has spread widely across the globe due to its prolific nature. This plant is regarded as a weed due to its aggressive and hardy characteristics. Its small seeds are quickly dispersed and germinated, making it highly invasive and difficult to control. Pigweed is equipped with a robust root system that allows it to outcompete other plants for resources, causing significant harm to gardens. Even in unfavorable conditions, this weed can thrive and spread rapidly, choking out desirable plant species. It has a strong resistance to many common herbicides, adding to the challenge of managing it. The main means of dispersion for pigweed is by seed. Each plant can produce thousands of seeds that can be easily carried by wind, water, and animals, and can remain viable in the soil for several years.