Mulch Volcanoes: Another Bad Gardening Idea
...It’s thought that the lack of air circulation at the base of the tree can lead to disease problems and you don’t want roots to grow up into the mulch so close to the trunk. When applying mulch you should keep it a few inches away from the base of a tree. Artist Herbert Bayer’s EarthMound, 1955. Image: GardenHistoryGirl. How strange gardening practices, such as mulch volcanoes, get started is really interesting to me. Mulch volcanoes remind me of...