Giant hogweed is part of the carrot family, and for a toxic plant, it is surprisingly pretty. It can grow up to 14 feet tall, with thick leaves stretching two to five feet across and large clusters of white flowers gracing the top of the plant in an umbrella pattern. The spray of white flowers looks similar to Queen Anne's Lace, but the experts at Massey Herbarium note that giant hogweed is much larger, with chunkier leaves. The Virginia Tech group posted photos of the plant on Facebook, urging anyone who comes across a giant hogweed plant to report it...