Your plants are looking weak? No need to resort to pesticides: Liquid manure made from nettle or horsetail can make your plants more resistant to diseases and pests. Mascha Brichta/dpa An ailing plant ...

Looking at a horsetail plant is like taking a step backward in time. During the Carboniferous period, over 350 million years ago, ancient relatives of horsetails flourished in the first forests on ...

You may think it’s a kind of bamboo at first. Like bamboo, rough horsetail is hollow and segmented. But unlike bamboo, which is in the grass family, rough horsetail is part of an ancient group of ...