Another plant you really want to avoid touching is the wild parsnip. These look related to the aforementioned giant hogweed, ...

As spring arrives, bringing longer and warmer days, nature awakens from its winter slumber and with it, a few unwelcome visitors. Among them are two particularly invasive and toxic plants: poison ...

Once the seeds have germinated and are showing their first rough leaves, thin the seedlings to 5cm (2 in) between plants. Parsnips can be grown in a similar way, but as they're larger they should ...