PORTLAND, Ore. — In late spring, a tree-lined clearing in the Johnson Creek Watershed of Southeast Portland blooms with small white flowers atop leafy green stalks. Despite looking right at home, ...

A volunteer workday at Rivers House Park combined invasive plant removal with education, as participants learned how to turn ...

Invasive plants are quickly becoming a nuisance to gardeners and plant enthusiasts this summer. Poison hemlock was recently identified in every Ohio county, which can pose a deadly risk to those who ...

Garlic mustard, amur honeysuckle and bradford pear are invasive plant species that need to be removed so Ohio's natural plants can thrive. iSTOCK/COX AVERAGE GUY OUTDOORS (COLUMN) By Devin Meister – ...

Mustard greens are one of the best plants to grow in a greenhouse, but there's one type of mustard you won't want to see in your garden. Garlic mustard (Alliaria petiolata) is an unassuming herb, with ...

CINCINNATI — Bill Berger stepped over fallen trees, his feet crunching leaves. He walked up a hill. Eventually, he sat down on a tree stump. He was looking for garlic mustard and he has been having ...

Keeping areas free of invasive species is a matter of vigilance and a project that can take several years. Invasive species — the state maintains a list that is updated regularly — impact the whole ...