texas walnut tree

The Texas Walnut tree, or Juglans microcarpa, is a native North American species found growing in the southern United States, from Texas to Florida and up through Oklahoma and Arkansas. It is a medium to large sized deciduous tree that grows up to 40 feet tall and has a spreading crown of branches. The bark of the Texas Walnut tree is light gray with small white dots and deep furrows. Its leaves are alternate, compound in shape with 5-7 leaflets. The fruit of the tree is a nut, which ripens in late summer or early fall. The nuts are edible and have a pleasant flavor when roasted or boiled. They can also be used in baking and cooking. The wood of the Texas Walnut tree is strong and durable, making it an excellent choice for furniture making and other woodworking projects.The Texas Walnut Tree (Carya texana) is a large deciduous tree that is native to the south-central United States. It is an excellent choice for landscaping due to its vigorous growth and attractive foliage. Planting a Texas Walnut Tree provides numerous benefits, including:

1. Shade: The Texas Walnut Tree grows quickly and can offer shade in a short amount of time. It provides excellent coverage for outdoor living areas, helping to keep them cool during the hot summer months.

2. Wildlife: The Texas Walnut Tree produces nuts which are highly sought after by wildlife such as birds, squirrels, and deer. It also provides shelter for animals looking for a safe place to rest or raise their young.

3. Soil Protection: The dense canopy of the Texas Walnut Tree helps prevent soil erosion by slowing down rainwater runoff and providing shade to the ground underneath it. This helps keep the soil moist and prevents it from becoming over-saturated during heavy rains or floods.

4. Landscaping: The Texas Walnut Tree has an attractive foliage that can add visual interest to any landscape design. Its leaves turn yellow in the fall, creating a stunning display as they drop from the tree’s branches.

5. Longevity: The Texas Walnut Tree is known for its long lifespan; some specimens have been known to live up to 200 years! This makes it an excellent investment for any homeowner or landscaper who wishes to enjoy its benefits for many years to come.

Growth Rate

The Texas Walnut Tree grows at a slow to moderate rate, averaging between 13 and 24 inches per year. It can reach heights of up to 70 feet and a spread of 40 feet. The Texas Walnut Tree is also drought tolerant and can survive in areas with low amounts of rainfall.


The Texas Walnut Tree has compound leaves that are made up of multiple leaflets. The leaflets are typically dark green in color with a smooth, glossy texture. In the fall, the leaves will turn yellow before they drop off for the winter.

Flowering and Fruiting

The Texas Walnut Tree blooms in the springtime with small, fragrant flowers that are white or yellow in color. These flowers are usually followed by green fruits that eventually ripen into dark brown nuts, which can be eaten or used to make walnut oil or extract.


The bark on the Texas Walnut Tree is gray-brown in color and has deep ridges along its length. The bark is thick and rough, making it difficult for animals or insects to climb up the tree trunk.


The Texas Walnut Tree is often planted as an ornamental tree due to its attractive foliage and fragrant flowers. The nuts can also be harvested and used in cooking or for making walnut oil or extract.

Planting a Texas Walnut Tree

Texas walnut trees, also known as eastern black walnuts, are a popular choice for landscaping in the state. They are easy to care for and can provide a great deal of shade in your garden. Planting a Texas walnut tree is a relatively simple process if you follow the steps outlined below.

The first step is to select a location for your tree. Texas walnuts prefer full sun and moist soil, so make sure you choose an area that meets these requirements. Once you have determined the proper spot, dig a hole about twice as wide and just as deep as the tree’s root ball.

Next, you need to prepare the soil by adding organic matter such as compost or aged manure to the hole. This will help provide nutrients for your tree and ensure good drainage. After that, place the root ball in the hole and fill it in with soil, lightly tamping it down around the roots.

Finally, water your newly planted Texas walnut tree thoroughly. This will encourage root growth and ensure that your tree gets off to a good start. Be sure to keep the soil moist but not soggy until your tree is established. You should also mulch around the base of your tree to help retain moisture and discourage weeds from growing around it.

By following these steps, you can successfully plant a Texas walnut tree in your garden or landscape. With proper care and maintenance, these trees can last for many years and provide plenty of shade on hot summer days!

How to Care for a Texas Walnut Tree

Texas Walnut trees are a great addition to any landscape, providing shade and beauty. Their long-lasting nuts are also a great source of food for wildlife and humans alike. Caring for these trees is easy, but there are some key things to keep in mind. Here’s how to best care for your Texas Walnut tree:

Watering: When planting your Texas Walnut tree, make sure to water it deeply until it is established. After that, it should only need occasional deep soakings during times of drought or heat stress. Be careful not to overwater as this can lead to root rot or other issues.

Mulching: Applying an organic mulch such as wood chips or straw around the base of the tree can help retain moisture and keep the roots cool during hot summer days. Make sure not to pile up the mulch too high as this can cause stem rot or other issues.

Pruning: Pruning your Texas Walnut tree is important in order to maintain its shape and health. Prune off dead or diseased branches as soon as you spot them, as well as any branches that cross over each other or rub against each other. This will keep your tree healthy and looking its best.

Fertilizing: Fertilize your Texas Walnut tree once a year with an all-purpose fertilizer like 10-10-10 or 12-12-12. Apply it around the base of the tree according to package directions, making sure not to get any on the trunk or leaves of the tree.

Insects and Diseases: Keep an eye out for pests such as aphids, whiteflies, scale insects, borers, and caterpillars which can all damage your Texas Walnut tree if left unchecked. If you notice any signs of insect infestation or disease on your tree, contact a professional arborist right away for help treating it before it becomes too severe.

Caring for a Texas Walnut tree doesn’t have to be difficult! With proper watering, mulching, pruning, fertilizing, and pest control you can ensure that your tree stays healthy and vigorous throughout its life!

Diseases Affecting Texas Walnut Trees

Texas walnut trees are subject to several diseases, including walnut anthracnose, twig blight, and verticillium wilt. Walnut anthracnose, which is caused by the fungus Apiosporina morbosa, is a common disease of walnuts in Texas. This disease affects the leaves and shoots of trees and can result in defoliation and even death if left untreated. Twig blight, caused by the fungus Phomopsis juglandis, can cause cankers on young shoots as well as dieback of branches and twigs. Verticillium wilt is a soil-borne fungal disease that can affect walnuts in Texas; it causes wilting and yellowing of leaves followed by branch dieback.

Pests Affecting Texas Walnut Trees

In addition to diseases, Texas walnut trees are also susceptible to various pests. These include scale insects, borers, aphids, leafhoppers and mites. Scale insects feed on the sap from walnut tree bark and leaves and can cause foliage discoloration or defoliation if left uncontrolled. Borers are another common pest of walnuts; they tunnel into the wood of trees resulting in weak or dead branches. Aphids feed on plant sap and excrete honeydew that encourages growth of sooty mold; they also transmit plant viruses that can stunt growth or kill trees outright. Leafhoppers feed on foliage while mites suck moisture from the underside of leaves resulting in yellowing or bronzing of foliage.

Growing a Texas Walnut Tree

Growing a Texas walnut tree in your garden or yard can be an enjoyable experience. The state of Texas is known for its temperate climate, which makes it an ideal place for growing walnuts. Texas walnuts are a great source of protein and fiber, as well as other essential vitamins and minerals. They can be eaten fresh or used in baking, cooking, or even juicing. Growing your own walnut tree in Texas can be a rewarding experience that provides you with delicious snacks and the satisfaction of knowing you’ve grown them yourself.

In order to successfully grow a Texas walnut tree, you’ll need to ensure that the climate is conducive to its growth. Generally speaking, the optimal temperature range for growing walnuts is between 65-85 degrees Fahrenheit during the day and between 40-50 degrees Fahrenheit at night. Additionally, it’s important to make sure that there is enough sunlight available for photosynthesis throughout the day. The best time to plant a walnut tree in Texas is during the spring months when temperatures are milder and rainfall levels are higher.

When it comes to soil requirements, walnut trees prefer loam soil with good drainage and adequate fertility. You should also ensure that you provide adequate water to your tree throughout its growth cycle; this means making sure that your tree receives about one inch of water per week during its growing season. In addition to regular watering, it’s also important to fertilize your tree once per year with a slow-release fertilizer formulated specifically for nut trees.

Finally, when it comes to pests and diseases, walnut trees are generally resistant but can still be affected by certain types of fungus or insects if left unchecked. It’s important to monitor your tree regularly and take steps to prevent any potential problems from occurring before they become serious issues. With proper care and maintenance, you should be able to enjoy fresh walnuts from your own backyard each year!

Harvesting the Nuts from a Texas Walnut Tree

Texas walnut trees produce a high-quality nut that can be used for many purposes. The nuts are usually ready to harvest in late summer or early fall. During this time, the husks of the nut will have split open and the nuts will be easily visible. It is important to harvest the nuts before they fall from the tree, as they can quickly become damaged and unfit for use.

The best way to harvest the nuts is with your hands. Carefully inspect each nut and only pick those that are fully mature and undamaged. Doing this by hand requires patience but it ensures that only good quality nuts are harvested. Once you have finished picking, you should spread out a tarp beneath the tree and shake it vigorously to dislodge any remaining nuts from the tree branches.

Once you have collected all of the ripe walnuts, you should spread them out on a flat surface in an airy location so that they can dry completely before storage. The drying process can take up to several weeks depending on humidity levels and temperature, so it is important to keep an eye on them during this time. Once they are completely dry, store them in air-tight containers in a cool dark place for up to one year or until you are ready to use them.

It is also possible to use a nut harvester when harvesting walnuts from a Texas walnut tree. This tool works by shaking the branches of the tree until all of the ripe nuts fall off into a collection bag below. While this method is faster than harvesting by hand, it may result in some of the unripe or damaged nuts being collected as well, so it is important to inspect all of them carefully before storage.

Harvesting walnuts from Texas walnut trees can be done either by hand or with a nut harvester but either way care should be taken to ensure that only ripe and undamaged nuts are collected for storage or use. Doing so will ensure that your walnuts will stay fresh for up to one year after harvesting!

Uses of Texas Walnuts

Texas walnuts are a versatile nut that can be used for a variety of purposes. They are a great addition to any type of dish, from salads and desserts to main dishes and snacks. They are also a great source of healthy fats, protein, and antioxidants. Texas walnuts can be used in a variety of ways, such as in baked goods, nut butter spreads, or as a topping for salads or other dishes. They can also be used to make walnut oil, which is high in omega-3 fatty acids, making it beneficial for heart health. Additionally, Texas walnuts can be added to smoothies or oatmeal for added nutrition and flavor.

Texas walnuts can be eaten raw or roasted and make an excellent snack due to their crunchy texture and nutty flavor. They make an ideal addition to trail mix or granola bars and can be incorporated into sweet treats like cookies or cakes. Roasted Texas walnuts can also be added to savory dishes like stir-fries or pasta dishes for extra flavor and nutrition. Finally, they can be chopped up as a topping for yogurt parfaits or fruit salads.


The Texas walnut tree is a great addition to any landscape. It is easy to maintain and provides plenty of shade from the hot summer sun. The leaves turn a beautiful color in the fall and provide food for wildlife year-round. The nuts are an excellent source of protein, vitamins, and minerals, and are a delicious addition to any meal. Its bark is attractive and its dark wood makes it a favorite for furniture makers. All in all, the Texas walnut tree is a wonderful tree for your garden, patio, or backyard.

With its numerous benefits and minimal maintenance requirements, the Texas walnut tree is an ideal choice for anyone looking to add some natural beauty and value to their property. Whether you’re looking for shade trees or edible nut trees, the Texas walnut tree offers something for everyone. With its hardiness, beauty, and versatility it’s clear why this native Texan species has been so popular throughout recent years.