Where do locust trees grow
Ava Hall
Published Mar 10, 2026
It is frequent on roadsides, in fencerows, old pastures, and disturbed areas. While growing on almost any soil type, base rich soils promote some of the best growth. It is considered native from Pennsylvania through the Appalachians to northern Georgia and westward to Arkansas and Oklahoma.
Where does locust grow?
Although it’s native to the southeastern United States and on the lower slopes of the Appalachian Mountains, some black locust trees can also be found in the north along the slopes and forest edges of southern Illinois, Indiana, and Missouri. It flourishes in full sun, well-drained soils, and little competition.
How do you identify a locust tree?
Ways to Identify a Locust Tree In the spring, identify locust trees (Robinia spp.) by their pendant clusters of fragrant, sweet pea-shaped flowers, which are usually white or pink. And keep an eye out for sharp, straight or forked spines and by their feathery, pinnately compound leaves.
What are locust trees good for?
Black locust wood is useful for lumber, paper pulp, posts, and fuel. This clone growing in Hungary is straighter than most trees in North America, where borer insects and heredity typically produce crooked trunks.Are locust trees native to Australia?
Honey locust is a deciduous tree that is native to North America. It was introduced into Australia as a fodder tree. It’s trunk and limbs are covered in very sharp needle-like spines and stock find its seed pods very tasty.
Why are locust trees called locust trees?
“Locust” comes from the Latin locusta, meaning both “locust” (the insect) and “lobster”. By analogy with a levantine use of the Greek word for the insect, akris, for the pods of the carob tree which supposedly resembled it, the pod-bearing North American tree was called “locust” starting in the 1630s.
Is a locust tree a good tree?
Locust trees are excellent for erosion control and tolerate urban pollution and road salt spray well, so they are good trees to plant on graded areas and near roads and driveways. Some locusts grow quite tall, so allow enough space between trees that they will not be crowded when they reach their mature height.
How can you tell the difference between a black locust and a honey locust?
One can also tell the two trees apart by just looking at the bark. The black locust’s bark is dark in colour with grooves that resemble an intertwining rope. The honey locust’s bark is brown or grey in colour and the tree has  bunches of thorns. Both the black and honey locust have smooth, thin, shiny seedpods.How much is a locust tree worth?
Prices for these products range from $1 – $3 per linear foot for whole posts, and from $1.50 – $3.50/board foot for milled lumber, which is far above the prices for most conventional hardwood lumber.
Why are locust trees dying?Bark beetles and roundheaded borers may bore into black locust tree branches. Bark beetles can cause the outer tips of branches to die, which is a condition called “flagging.” They mine into the branches up to 6 inches from the tip, causing the end of the branch to die. … The dying branches should be removed and burned.
Article first time published onWhat falls from a locust tree?
Once the leaves wither in the fall, the tree almost instantly proceeds to produce new leaves that are most pertinently visible during the Spring months. The Honey Locust has thorns both in leaves’ base and as well as the branches.
Why do honey locust trees have thorns?
These thorns are thought to have evolved to protect the trees from browsing Pleistocene megafauna, which may also have been involved in seed dispersal, but the size and spacing of them is less useful in defending against smaller extant herbivores such as deer. Thornless forms (Gleditsia triacanthos var.
Can you eat locust tree beans?
Inside these pods is a sweet pulp which can be eaten raw, served as a drink, or turned into a powder to store and then use to enhance the flavor of soups and stews. Beyond the pulp, the locust bean fruit contains seeds. … Dawadawa is used to season foods and add flavor to soups and stews.
Are honey locust tree roots invasive?
Like many other trees with invasive roots, honey locust suckers grow freely from roots, sending up potential new trees that must be dealt with. Those roots can also pose problems with underground pipes. … See our 10 tips for landscaping around trees.
What is wrong with my honey locust tree?
Cankers and root collar rot are the major diseases of honeylocusts because they can girdle the stem and kill the tree. Canker disease symptoms include sunken, dead areas of bark; dieback; reduced foliage; yellow foliage; premature fall coloration; and early leaf drop.
What is locust wood?
Comments: Black Locust is a very hard and strong wood, competing with Hickory (Carya genus) as the strongest and stiffest domestic timber: but with more stability and rot resistance. Although it shares a similar common name with Honey Locust, the two aren’t in the same genus, (Robinia and Gleditsia, respectively).
How long does a locust tree live?
Locust trees can live for over a hundred years, and the wood is one of the hardest woods from any deciduous tree. Locust tree lumber is exceptionally durable and the timber is excellent for making furniture, fence posts, flooring, and small boats. Compared to honey locust timber, black locust wood is more common.
Are there male and female locust trees?
The honey locust in polygamo-dioecious, which means that the species has unisexual flowers with male (staminate) and female (pistillate) flowers on different trees, but also some perfect flowers (both male and female parts) on each tree. … The flowers tend to appear in the late spring and early summer.
Is locust tree good firewood?
Black locust is an excellent choice for firewood. The hot, long lasting fire it produces makes it a popular choice for anyone who heats with wood. … It’s believed you can burn black locust firewood immediately after cutting down the tree.
Why is it called Black locust?
Fragrant, white, pea-like blossoms hang in pendulous clusters. Flowers appearing in April and May. Fruit a flat, straight to slightly curved pod up to 5 inches long. British colonists at Jamestown discovered this species in 1607 and named it for its resemblance to the Carob or Old World Locust (Ceratonia siliqua L.).
Are locust trees native to Michigan?
Black locust is native to the southern Appalachians and the Ozarks, where it occurs on slopes and forest edges. It has been planted in 48 states and was noted as spreading in jack pine barrens in Michigan as early as 1888. It tolerates a wide range of soil conditions, and spreads clonally as well as by seed.
Are locust trees native to Colorado?
Native to the Denver area, the rot-resistant hardwood looks amazing in all seasons and makes an excellent ornamental tree. It prefers full sun but can grow in a variety of soils. Standing 70-80 feet at maturity, the Black locusts creates beautiful wispy blooms that drip from its branches in the spring.
Do locust trees rot?
Black Locust (Robinia Pseudoacacia) is the strongest and most rot resistant wood indigenous to North America. … The wood is naturally rot-, decay-, mildew-, and insect-resistant — the perfect choice for outdoor projects in all climates.
What is the most valuable timber?
African Blackwood It is considered as the most expensive wood in the world because not only it is challenging to work with hand or machine tools, its trees are already near-threatened. But as expensive as it may seem, African Blackwood is worth the price.
Is locust good for fence posts?
Black locust makes great fence posts. I wouldn’t bother debarking, (but the bark will rot eventually) as the man rightly told you, just make sure your post is at least 5″ heartwood. Red cedar is same way preferably 5″ red heartwood, debarking unnecessary.
What locust tree has thorns?
The native species of honey-locust has large thorns on its stems and bark. For this reason, thornless honey-locust is most commonly sold.
What does a locust tree smell like?
Black locust flowers are sweetly fragrant of orange blossom honey, and the scent carries best in warm humid weather on a south breeze. Honey locust flowers on the other hand, are ambrosia. If I had to describe the fragrance, its like tupelo honey sweetened with rose otto.
Can you eat honey locust pods?
Edible parts and other uses Only the fruits of honey locust are considered edible. The sweet and fleshy pulp of the bean pods can be eaten raw or extracted and used in a variety of ways. From smoothies, to beer. It has a sweet honey like taste, hence its name.
What kills locust trees?
Glyphosate, or Roundup, can also be sprayed on black locust foliage while the trees are still growing. Spray heavily, but not heavy enough that it begins to drip off the black locust tree onto other plants, as glyphosate is a non-selective herbicide. It kills everything it touches.
Are locust trees strong?
Honey locusts are hardy, strong and commonly able to tolerate wind storms, ice, soil compacting foot traffic, and pollution. They also grow fast – about 20 feet high in their first decade – and eventually up to 70 feet. They have beautiful gray-brown barks and tiny, oval leaves that turn yellow in the fall.
What is the life expectancy of a honey locust tree?
The fruit is a legume 8 to 16 inches (15-40 cm) long and 1 to 1.4 inches (2.5-3.5 cm) wide [8,11,22]. Honeylocust is usually described as rapid-growing [8,39]. Average longevity for honeylocust is 125 years [8].