Common groundsel is an alien annual weed that has become increasingly troublesome in many crops in Ohio. Understanding the periodicity of seedling emergence and longevity of seeds buried in the soil ...

I’m not a scientist, but I have some skills in observation. After some careful reasoning I have concluded that the weed common groundsel can produce flowers after being yanked from the ground. Months ...

It’s hard to miss the silky white tufts that appear on the groundsel tree, each one almost floating against the backdrop of fall’s clear blue skies. “In late October, the female plant produces these ...

Strategy: This is an annual weed that invades landscapes, gardens, edges of agricultural fields and other highly disturbed areas. Its multiple stems grow to about 18 inches tall. The leaves are deeply ...

The weedkillers atrazine and simazine were introduced in 1958. Ten years later, a plant nursery in the US that had been regularly using the pesticides reported that they were no longer effective ...