Pigweed is a confusing common name, used in reference to several genera. Purslane ( Portulaca oleracea ) sometimes is called pigweed, as is lamb's-quarters ( Chenopodium album The pigweeds ...

Allergy season in Texas is pretty much year round. Because pigweed and ragweed can thrive in dry and drought-like conditions, pollen from the two plants proliferate in Texas. Add to that pollen ...