What grass grows well near Black Walnut Trees?

Question

My grass is very sparse at best under my Black Walnut tree. I wonder is the juglone responsible for that?

Answer 1

You are correct in that there the Juglone will inhibit grass growth under and around the Black Walnut Tree.
There are many plants and ground covers that will do well.
Here is a few links with more information.

https://www.gardeningknowhow.com/edible/nut-trees/black-walnut/black-walnut-compatible-plants.htm
http://www.extension.umn.edu/garden/yard-garden/landscaping/best-plants-for-tough-sites/docs/08464-under-black-walnut.pdf