What does a black walnut look like? (2024)

What does a black walnut look like?

Black walnut is a large tree with a straight trunk and rounded, open crown. The nuts, spicy odor, large feather-compound leaves, and chambered pith in the twigs help identify it. Leaves are alternate, compound, 1–2 feet long, with 11–23 leaflets.

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How do you tell if a tree is a black walnut?

Black walnut is a large tree with a straight trunk and rounded, open crown. The nuts, spicy odor, large feather-compound leaves, and chambered pith in the twigs help identify it. Leaves are alternate, compound, 1–2 feet long, with 11–23 leaflets.


Can you eat the nuts from a black walnut tree?

Black walnuts can be enjoyed raw and have an interestingly sweet and earthy taste to them that goes great on top of desserts, such as ice cream or cupcakes. They can also be dipped in a sugar syrup and enjoyed as a candy or ground to a meal and made into a flour.

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How do I identify a black walnut tree by bark?

Black Walnut (Juglans nigra)

Bark is deeply ridged well out onto the branches. Fall color is bright yellow and leaf scars are heart shaped with 3 dots or “bundle scars” on each point. Fruits conspicuous green balls that are held from midsummer well into the fall exhibiting various stages of rot.

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What trees are mistaken for black walnut?

Two trees that can be confused with black walnut because they often grow in the same area are the highly invasive tree of heaven and the native staghorn sumac.

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Is a black walnut tree worth money?

The Black Walnut is one of the most expensive and lucrative trees to sell, thanks to its high-quality dark wood. The tree ranges from $5- $10 per board foot, although it can cost more depending on other factors. In most cases, your 20-inch tree can fetch you $700- $800.

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How toxic are black walnuts to other trees?

In most cases, the damage caused by black walnuts to other plants is a combination of the presence of juglone in the soil, and the competition for light, water and nutrients. However, juglone can cause severe damage and even kill solanaceous crops (tomatoes, potatoes, peppers and eggplant).

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What do black walnuts look like when they are ready to harvest?

Black walnuts are best left to ripen on the tree and after the outside husk turns to a yellowish green. When ripe, an indentation will remain when pressed with your thumb. Black walnuts leave a dark stain so use gloves!

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Are black walnuts safe to touch?

The black walnut, while offering a bolder flavor many like, also contains a toxin that's not only deadly to plants, but can also cause skin irritation in humans.

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Do black walnuts have nuts every year?

Every black walnut tree grows wood in the form of limbs, trunk and roots. And as the tree matures, every walnut tree will produce at least a small nut crop.

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Do black walnuts produce nuts every year?

Healthy and mature walnut trees produce from 66 to 350 lbs. (30 to 160 kg) of nuts, but this production cannot be achieved every year. The tree has an inherent tendency towards alternate bearing, and it usually yields a good production in every other year.

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Which state has the most black walnut trees?

Black Walnut Basics

The wild American Black Walnut is native to 32 states and is the official tree nut of Missouri, where the crop is most abundantly found.

What does a black walnut look like? (2024)

Where are most black walnut trees found?

Black walnut typically grows as scattered individual trees or in small groups throughout the central and eastern parts of the United States. Although it is found on a variety of sites, black walnut grows best on good sites in coves and well-drained bottoms in the Appalachians and the Midwest.

What state has the most walnut trees?

Domestically, California is the nation's number one walnut producer, accounting for nearly all walnuts produced in the U.S. (Fig 1).

What month do black walnuts ripen?

Collecting Black Walnuts

Collection time for walnuts begins late September to early October. Harvest black walnuts as soon as the outer husk softens, but is still green. The best quality nutmeat is light in color and milder in flavor.

Should you pick walnuts or let them fall?

The nuts ripen in mid-autumn and should fall naturally from the tree, harvesting is as simple as picking them up from the ground. Shaking branches or beating the tree will encourage the most obstinate nuts to fall. Beware of hungry squirrels who'll happily gobble up your crop before you have a chance to harvest.

What happens if you don't pick up walnuts?

It makes quite a mess and can be viewed as a nuisance. Walnut tree owners will spend hours picking up the fruit some years. If you don't remove the nuts, you'll trip over them in the dark for the rest of the year (while they rot and mold on your lawn).

What happens if a dog eats a black walnut?

Though people don't commonly eat this type of walnut, black walnuts are still extremely toxic to dogs; along with pecans, black walnuts may contain a toxic chemical called juglone. For dogs (and horses), consuming juglone can cause gastrointestinal (GI) problems like upset stomach, vomiting, and diarrhea.

What woods look like black walnut?

Butternut (Juglans cinerea): Butternut, otherwise known as White Walnut, greatly resembles the Black Walnut tree though it is smaller, has smoother, gray bark and its wood is lighter in color.

How to tell the difference between tree of heaven and black walnut?

The leaves of black walnut on the left are also pinnately compound like Tree-of-Heaven, but shorter, ranging from 12 to 24 inches long, and having anywhere from 13 to 23 leaflets. And once again, unlike Tree-of-Heaven, the edges or margins of the leaflets are toothed or serrated.

What eats a black walnut?

Despite that pulpy covering and the hard shell around the nut kernels, they are a useful food for squirrels as well as raccoons, turkeys and bears. Like many nuts, the walnut provides protein, carbohydrates and fat, necessary for storing energy for those animals that hibernate.

What is the most valuable tree for lumber?

Trees used for veneer purposes are the most valuable. Walnut trees are always one of the most demanded trees in the wood industry. Oaks, maples, cherry, and ashes are also valuable trees. A high-quality veneer tree with a large diameter can be worth a lot but they are rare.

What is the life expectancy of a black walnut tree?

Black walnut grows slowly, maturing on good soils in about 150 years; it may have a life span of more than 250 years.

What animals Cannot eat black walnuts?

Poisoning of canines and horses by the black walnut is well documented. Though it is most commonly thought that the nut, when subjected to mold, is the toxic component of the tree, studies have shown that eating wood from the black walnut tree can cause poisoning in dogs as well.

What can I do with black walnuts off the tree?

Black walnuts have two uses: the hull can be used to make ink, and the nut can be roasted and used in all sorts of baked goods as well as in salads.

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