as illustrated by this plant towering over a school boy. Stinson's research suggests that climate change may allow common ragweed to extend its growing range northward and into major northeast ...

Instead, Pfeiffer says, plant your beds thickly and overseed ... often gets mistakenly blamed, common ragweed is the true culprit of late-summer allergies. It can grow six feet tall if unchecked.

Scientists say the impact on human health across Europe of the invasive ragweed plant may be "seriously underestimated". Allergies caused by common ragweed (Ambrosia artemisiifolia) affect around ...