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 ...

Dear Master Gardener: Our city newsletter said residents need to be on the lookout for garlic mustard on our properties and eradicate it. What is it and what does it look like? Answer: Garlic mustard ...

Early spring garlic mustard control often necessitates the need to spray in 40- to 50-degree weather. Some herbicides are formulated to function in these cooler temperatures. You addressed this ...

Kurt Baker is director of the Pioneer Ridge Nature Center outside of Ottumwa in Wapello County in southeastern Iowa. Baker says the plant is growing at his nature center and has invaded many Iowa ...