Can Weeping Hemlock Be Planted Under Black Walnut Trees

Black walnut trees are known to produce a toxin that can harm or kill some plants growing within its root zone. This has led to many gardeners and landscapers questioning whether they can plant weeping hemlock under black walnut trees. In this article, we will explore whether planting weeping hemlock under black walnut trees is a good idea.

Understanding the Black Walnut Toxin

The black walnut tree produces a chemical called juglone that is toxic to some plants. Juglone is found in the leaves, bark, and nut husks of the tree, as well as in the roots. It affects plants within its root zone, which can extend up to 80 feet from the base of the tree.

The toxin is especially harmful to plants that are sensitive to it. These include tomatoes, potatoes, and peppers, as well as many other plants. Some plants are resistant to juglone, but it is always best to check before planting anything under a black walnut tree.

Weeping Hemlock and Black Walnut Trees

Weeping hemlock is a popular evergreen tree that is native to North America. It grows best in moist, well-drained soil and enjoys partial to full shade. Its feathery foliage and graceful weeping branches make it a popular choice for landscaping and gardens.

While weeping hemlock is not listed as a plant that is susceptible to juglone toxicity, it is still best to exercise caution when planting it under a black walnut tree. Some gardeners have reported success in planting weeping hemlock under black walnut trees without any issues. However, it is always a good idea to observe the tree and the plants growing around it for any signs of stress or damage.

Tips for Planting Weeping Hemlock Under Black Walnut Trees

If you decide to plant weeping hemlock under a black walnut tree, here are some tips to help ensure success:

Choose a location that is not directly under the canopy of the black walnut tree.

Make sure the soil is well-drained and not too wet.

Plant the weeping hemlock in a raised bed or on a mound to help ensure good drainage.

Add plenty of organic matter to the soil to help improve the soil quality.

Water the weeping hemlock regularly to ensure that it receives enough moisture.

Monitor the tree and the plants around it for any signs of stress or damage.

In Conclusion

While weeping hemlock is not listed as a plant that is susceptible to juglone toxicity, it is still best to exercise caution when planting it under a black walnut tree. By following the tips outlined in this article, you can help ensure that your weeping hemlock thrives and that your black walnut tree stays healthy.