I've heard a lot of people saying that strawberries have shallow root systems, but I don't really understand why. I grew strawberries in a container that's only 5 inches deep, yet it seemed like their roots were trying to reach deeper. How do we actually define 'shallow' when it comes to roots? Is it because tomatoes, which need over 12 inches of soil, are used as a comparison?
1 Answer
The idea of root depth isn't really about a specific measurement cut-off. It's more about the root shape and how they grow. Shallow roots are usually wider than they are deep, unlike deep roots which go down further. Other factors like plant size, soil type, and whether the plant is perennial or annual also affect root development.

Thanks for that! I see lots of growers using those stackable pots for strawberries which look like they might not be enough for the roots. If I want a continuous supply of strawberries, would it be better to grow them in a container that’s at least 10 inches wide? I just upgraded mine to an 18-inch diameter and 12 inches deep—will that work to let the runners thrive?