What Can Be Planted Near a Black Walnut Tree?

Black walnut trees are beautiful additions to any landscape with their tall stature, graceful branches, and aromatic leaves. However, it's important to know that black walnut trees produce a substance called juglone, which is toxic to many plants. This means that not all plants can grow and thrive near a black walnut tree. Here are some plants that can tolerate the presence of juglone and make good companions for a black walnut tree:

Black-Eyed Susan

Black-eyed Susan is a bright and cheery flower that can add a pop of color to your garden. This hardy plant can handle the presence of juglone and grow well near black walnut trees. Black-eyed Susan plants prefer well-draining soil and plenty of sunlight, making them an ideal choice for planting near a black walnut tree.

Azaleas

Azaleas are beautiful flowering shrubs that can tolerate the presence of juglone. These plants prefer acidic soil and partial shade, making them a great choice for planting near black walnut trees. Azaleas come in a wide variety of colors, including pink, white, and red, so you're sure to find one that complements your landscape.

Hostas

Hostas are shade-loving plants that can handle the presence of juglone. These plants have large, showy leaves and come in a variety of colors and patterns. Hostas thrive in moist, well-draining soil and can be planted in groups for a dramatic effect. They make an ideal companion plant for black walnut trees, as they can tolerate the shade cast by the tree's canopy.

Daylilies

Daylilies are hardy, sun-loving plants that can grow near a black walnut tree. These plants come in a wide range of colors and are known for their long blooming season. Daylilies prefer well-draining soil and plenty of moisture, making them a great choice for planting near black walnut trees. They also make an ideal groundcover, as their spreading habit can help fill in empty spaces in your garden.

Lambs Ear

Lambs ear is a soft, fuzzy-leaved plant that can add texture and interest to your garden. This hardy plant can tolerate the presence of juglone and prefers well-draining soil and plenty of sunlight. Lambs ear can also make an excellent groundcover, as its spreading habit can help prevent weeds and erosion.

Conclusion

When planting near a black walnut tree, it's important to choose plants that can tolerate the presence of juglone. The plants listed above are just a few examples of the many plants that can grow and thrive near a black walnut tree. By selecting the right plants for your landscape, you can create a beautiful and healthy garden that complements the natural beauty of your black walnut tree.