Introduction

Walnut trees are prized for their tasty nuts as well as their beautiful shade. However, growing plants under a walnut tree can be a challenge due to the tree's production of a chemical called juglone, which is toxic to many plants. In this article, we will explore some of the plants that are resistant to juglone and can thrive under a walnut tree.

Ground Cover Plants

Ground cover plants can be an excellent option for planting under a walnut tree. They not only serve to protect the ground from erosion but also do not need to penetrate deep into the soil. Some of the best ground cover plants for growing under a walnut tree include:

Creeping juniper

Snow-in-summer

Periwinkle

Sweet woodruff

Lily-of-the-valley

Shrubs

Shrubs are also an excellent option for growing under a walnut tree. These plants typically have deeper roots than ground cover plants and can tolerate the juglone produced by the walnut tree. Here are some of the best shrubs for planting under a walnut tree:

Forsythia

Spirea

Hydrangea

Red-twig dogwood

Smokebush

Perennial Flowers

Perennial flowers are another option for planting under a walnut tree. Some of the best perennial flowers that can tolerate the juglone produced by the tree include:

Black-eyed Susan

Daylily

Columbine

Astilbe

Coral bells

Vegetables and Herbs

You can also grow certain vegetables and herbs under a walnut tree. Root vegetables, such as carrots and beets, are less likely to be affected by the juglone, as their edible portion grows underground. Other vegetables that can tolerate the juglone include:

Radishes

Peas

Lettuce

When it comes to herbs, some of the best options for growing under a walnut tree include:

Mint

Thyme

Parsley

Conclusion

While it may seem challenging to grow plants under a walnut tree, there are many options available that can tolerate the juglone produced by the tree. From ground cover plants to vegetables and herbs, you can create a beautiful and productive garden space under your walnut tree by choosing the right plants.