Let’s have a look at a few examples of deep rooted plants. Roots bring nutrients to the plant – and a lot of the surface layers of soil on our planet have been farmed for so long now that the nutrient levels are very depleted.
There is nothing to stop you from growing these plants in pots as well. Deeper pots work better for all three types, and they will thrive in a pot. You will need to feed them with a decent slow-release plant food such as this.