Researchers and state officials from Washington, Oregon and Idaho are asking growers to keep their eyes open for two new ...

What’s not to like about more lettuce or riper tomatoes? The longer seasons, however, are also helping invasive plants annex American soil; extended springs mean they can more quickly push aside ...

And are all non-native species considered invasive? Katherine Sabia, Monroe, Connecticut The distinction between native and nonnative species does not disappear over time; if a plant or animal was ...