What Plants Can Grow Under a Black Walnut Tree

Introduction

If you have a black walnut tree in your yard, you may have found it difficult to grow anything else underneath it. This is because the black walnut tree produces a substance called juglone that can be toxic to many plants. However, there are still some plants that can thrive in the presence of juglone. In this article, we will discuss what plants can grow under a black walnut tree.

Plants that can tolerate juglone

There are several types of plants that can tolerate juglone and grow under a black walnut tree. These include:

Hostas

Hostas are hardy plants that can grow well in the shade. They come in many different varieties and can add a pop of color to your landscape. Hostas are also known for being resistant to juglone.

Black-eyed Susans

Black-eyed Susans are a type of daisy that can tolerate juglone. They are easy to grow and can add a splash of color to your garden.

Daylilies

Daylilies are colorful flowers that can thrive in the presence of juglone. They come in many different colors and can add a beautiful touch to your landscape.

Hydrangeas

Hydrangeas are a popular shrub that can grow well under a black walnut tree. They come in many different colors and can add a lovely touch to your landscape.

Astilbes

Astilbes are a type of perennial that can tolerate juglone. They have feathery plumes of flowers that come in many different colors and can add a delicate touch to your landscape.

Plants that should be avoided

While there are some plants that can tolerate juglone, there are others that should be avoided. These plants can be sensitive to juglone and may not survive if planted under a black walnut tree. Here are a few plants to avoid:

Roses

Roses are notorious for being sensitive to juglone. They should not be planted anywhere near a black walnut tree.

Tomatoes

Tomatoes are also sensitive to juglone and should be avoided under a black walnut tree.

Peonies

Peonies are another plant that should not be planted under a black walnut tree. They are sensitive to juglone and may not survive.

Apples

Apple trees are not recommended to be planted under a black walnut tree due to their sensitivity to juglone.

Conclusion

In conclusion, if you have a black walnut tree in your yard, don't despair! While it can be challenging to grow plants under it due to the presence of juglone, there are still many options available. By choosing plants that can tolerate juglone, you can enjoy a beautiful landscape even under the shade of a black walnut tree.