
See more

How do you identify a tree of heaven?
Some people describe the smell as rancid peanut butter or well-worn gym socks. However you describe the smell, Ailanthus lives up to its Chinese name. During the winter months, the bark and leaf scars are the best ways to identify tree-of-heaven. The bark can be light brown to grey, and smooth in young trees.
What does tree of heaven wood look like?
The Tree of Heaven is considered an invasive species. Appearance of Wood: The overall appearance of the wood is very similar to Ash and will range from a pale yellow to a light brown color. On occasion, the wood will have brighter yellow, or olive-colored streaks through the wood. The grain has a coarse texture.
What does the tree of heaven leaf look like?
Leaves: Tree-of-heaven leaves are pinnately compound, meaning they have a central stem in which leaflets are attached on each side. One leaf can range in length from 1 to 4 feet with anywhere from 10 to 40 leaflets. The leaflets are lance-shaped with smooth or "entire" margins.
Where is the tree of heaven currently located?
The tree of heaven (Ailanthus altissima) is a rapidly growing deciduous tree native to China that has become a widespread invasive species across North America.
How can you tell the difference between a black walnut and a tree of heaven?
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.
How can you tell the difference between sumac and tree of heaven?
Sumac leaflets are serrated or toothed (jagged edges), while Tree of Heaven leaflets have smooth edges. Seeds/Fruits: As mentioned previously, sumac trees have a reddish, cone shaped cluster of fuzzy fruits that can persist throughout the summer and fall months.
What does the bark look like on a tree of heaven?
1:433:47Tree-of-Heaven: Accurate Identification - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe bark of trio heaven is light brown to gray resembling the skin of a cantaloupe as the tree agesMoreThe bark of trio heaven is light brown to gray resembling the skin of a cantaloupe as the tree ages the bark turns darker gray and becomes rough. The twigs of tria heaven are alternate on the tree.
What is the tree of heaven good for?
The dried bark from the trunk and root are sometimes used in folk medicine. Tree of heaven is used for diarrhea, asthma, cramps, epilepsy, fast heart rate, gonorrhea, and other conditions, but there is no good scientific evidence to support these uses. In manufacturing, tree of heaven is used as insecticide.
What kills trees of heaven?
The two most common herbicides used on tree- of-heaven with the foliar spray approach are glyphosate and triclopyr. These systemic herbicides are absorbed through leaves and stems and then transported to the root system.
Does tree-of-heaven have fruit?
The winged fruits of Tree-of-Heaven, green at first, go through a progression of colors (yellow, pinkish or orange, red) until ripening red-brown. The fruit masses hang down in the fall unlike the upright, red “cones” of Sumacs. Some trees lack the showy, winged fruits because they produce only male flowers.
How many seeds does the tree-of-heaven produce?
325,000 seedsReproduction and Life Cycle. Tree-of-heaven grows quickly and is a prolific seeder. It's estimated that one tree can produce 325,000 seeds in a year. Tree-of-heaven also contains chemicals that act as a herbicide, affecting the growth of plants around it.
What kind of tree is the tree-of-heaven?
Botanical Characteristics BelowBotanical Characteristics BelowTree-of-Heaven, Ailanthus altissimaPinnately Compound LeavesLarge: 11-41 lateral leafletsPinnately Compound Leaf BudsAlternateTerminal (end) BudsFalseLeaflets Have A Somewhat Toothed Or Serrated MarginNo8 more rows•May 15, 2014
How to identify a tree of heaven?
The leaves are long with a central stem and leaflets on either side.
What are some trees similar to the Tree of Heaven?
Tree of Heaven Lookalikes. Tree of heaven can be confused with some native trees, first and foremost black walnut and sumac. Besides the foul smell of the tree of heaven leaves, there are a few other distinctive features that can help you tell them apart.
Why is Tree of Heaven so invasive?
What also makes tree of heaven so very invasive is that its leaves, roots, and bark release allelopathic chemicals which prevent other plants from growing. This, in combination with rapid growth and spread, and the ability of the tree to survive droughts and thrive in poor soils, leads to tree of heaven monocultures.
Why does the Tree of Heaven choke out native vegetation?
Because the tree is drought-tolerant and grows in nutrient-poor soil, it easily chokes out native vegetation. While tree of heaven does not tolerate shade, it encroaches on a forest that has been disturbed, or establishes itself on the edge of the woods.
What does the tree of heaven smell like?
And the leaves have a repugnant smell similar to burnt peanut butter, wet gym socks, or cat urine. The leaves are not the only thing that smells in tree of heaven.
How fast does the Tree of Heaven grow?
Tree of heaven grows rapidly; growth of 10 to 15 feet in one year is not unusual. Once established, it constantly grows suckers, and not just at its base but 50 or more feet away from the original tree. It only takes the newly sprouted trees about two years to produce seeds on their own.
What is the difference between a black walnut tree and a tree of heaven?
Tree of Heaven vs. Black Walnut. The leaflets of black walnut trees are finely serrated, unlike the tree of heaven leaflets. Walnut leaves have no or a very small non-distinct terminal leaflet. In the spring, the tree has male flowers in the form of long, green catkins and female spike-like greenish flowers.
What is Tree of Heaven?
Tree-of-heaven (Ailanthus altissima) is an invasive tree and noxious weed in PA. This article displays images to assist with identification and provides recommendations for control, including a management calendar and treatment and timing table.
How big can a Tree of Heaven grow?
Size: Tree-of-heaven has rapid growth and can grow into a large tree, reaching heights of 80 feet and up to 6 feet in diameter. Bark: The bark of tree-of-heaven is smooth and brownish-green when young, eventually turning light brown to gray, resembling the skin of a cantaloupe. Bark. Photo: Dave Jackson.
How long does it take to cut a tree of heaven?
When cutting tree-of-heaven is necessary to remove potentially hazardous trees, it is best to treat with an herbicide first, wait for symptoms to develop (approximately 30 days), and then cut. Hand pulling young seedlings is effective when the soil is moist and the entire root system is removed.
How far do trees spread?
Established trees continually spread by sending up root suckers that may emerge as far as 50 feet from the parent tree. A cut or injured tree-of-heaven may send up dozens of stump and root sprouts. Sprouts as young as two years are capable of producing seed.
How many leaflets are there in a tree of heaven?
One leaf can range in length from 1 to 4 feet with anywhere from 10 to 40 leaflets. The leaflets are lance-shaped with smooth or "entire" margins.
What are the edges of a tree called?
This species is easily confused with some of our native trees that have compound leaves and numerous leaflets, such as staghorn sumac, black walnut, and hickory. The leaflet edges of these native trees all have teeth, called serrations, while those of tree-of-heaven are smooth. The foul odor produced by the crushed foliage and broken twigs is also unique to tree-of-heaven.
When to apply herbicide to tree of heaven?
To control tree-of-heaven, target the roots with systemic herbicides applied in mid- to late summer (July to onset of fall color) when the tree is moving carbohydrates to the roots.
What is the tree of heaven?
Tree-of-Heaven has what is referred to as a pinnately compound leaf, or a leaf with a central stem called a rachis, ...
How to tell if a tree is a tree of heaven?
Although Tree-of-Heaven has some native look-alikes, it can be easy to distinguish from other trees through close examination. Compare the leaves, bark, twigs, and seeds to identify whether you're looking at Tree-of-Heaven, staghorn sumac, or black walnut. Be sure to make these distinctions before applying any control measures.
How many leaflets does a staghorn sumac have?
However, staghorn sumac leaves are shorter than Tree-of-Heaven, ranging from 16 to 24 inches long, and having anywhere from nine to 31 leaflets.
What is a black walnut twig?
Tree-of-Heaven has a papery wing surrounding the seed and is called a Samara. The black walnut twig is not as stout as that of Tree-of-Heaven or staghorn sumac, and contains a terminal bud at the end of the twig.
What is the fruit of a staghorn sumac?
The fruit of staghorn sumac is a red fuzzy droop, a fleshy fruit with thin skin and central stone containing the seed. It is found in persistent upright clusters. Staggered sumac has stout brown twigs, covered with fuzz like deer antlers and velvet, thus its name staghorn sumac.
What is the difference between black walnut and tree of heaven?
As you can also see on the left, the bark of black walnut is much different than Tree-of-Heaven. Black walnut bark is dark brown and has a rough diamond-shaped pattern. The fruit of black walnut is also very different from that of Tree-of-Heaven. It is a round nut covered with a husk.
What is the name of the tree with 41 leaflets?
Tree-of-Heaven has what is referred to as a pinnately compound leaf, or a leaf with a central stem called a rachis, lined with as many as 41 leaflets. Common native trees that have a similar pinnately compound leaf structure include sumac, walnut, hickory, ash, locust, and boxelder. Be sure to differentiate between these species.
What are the leaves of the Tree of Heaven?
Several native trees and shrubs also have pinnately compound leaves (arranged in pairs across the plant’s stem) such as sumac, ash and black walnut.
How does the Tree of Heaven affect people?
The tree of heaven affects people in many ways. Its aggressive root system can cause damage to pavement, sewers and building foundations. The plant has also helped advance the spread of the spotted lanternfly, an invasive insect also originally from China. These insects seek out the tree of heaven as a place to lay their eggs.
Why is the Tree of Heaven a problem?
The tree of heaven is a problem because it reproduces very quickly and aggressively inhibits (and can even kill) native plants near it. This invasive plant produces an overly abundant amount of seeds, crowds out native species with its dense thickets and secretes a chemical into the soil that is toxic to surrounding plants.
How to get rid of the Tree of Heaven?
Thankfully there are multiple ways to get rid of the tree of heaven. The most effective way to control tree of heaven is to pull seedlings by hand before the taproot develops. If the plant has matured, cutting alone will only help temporarily by reducing its ability to spread.
What is the smell of a stinking sumac tree?
Known by a number of names including stinking sumac, Chinese sumac, varnish tree and stink tree, the plant releases a strong, offensive smell, particularly from its flowers. The tree of heaven was brought from China to the United States in the late 1700s as a horticultural specimen and shade tree. Its ease of establishment, rapid growth ...
Where is Tree of Heaven wood derived?
Clearly, this wood is obtainable from the Tree of Heaven. The tree of heaven originally hails from Eastern Asia.
How does Tree of Heaven wood look?
It takes a seasoned woodsman to pick the difference between Ash and the Tree of Heaven. Yes, they are that close in appearance.
How dense is Tree of Heaven wood?
The Tree of Heaven can’t be fully classified into the hardwood species. Its specific gravity spreads from 0.44 to 0.60.
How stable is the tree of heaven wood?
A wood’s stability is majorly measured by how far it shrinks when dried. Tree of heaven is not the easiest to dry, with drying coming at risk of waning the wood’s unique appearance.
How workable is Tree of Heaven wood?
It is seamless working on Tree of Heaven wood with hand tools or machine tools. The wood is fundamentally flexible, allowing you a broader range of woodworking options when working with this tree.
How durable is Tree of Heaven wood?
While much is not scientifically established about how well tree of heaven wood holds up to atmospheric weather elements, it is at least common knowledge that this wood capably resists insect invasion.
Is Tree of Heaven wood toxic?
There are extremely few reported cases of the tree of heaven triggering allergies. But pruning the tree itself comes with the risk of vesicular eruptions.
What is the symbol of the tree of life?
In most of these examples, the symbol of the tree of life has been made concrete and real and eventually assigned to a specific tree – usually one which looks like the spiritual tree of life or one which provides food or sustenance, hence the use of figs, bamboo, bananas and mimosa trees. In the UK and Europe the tree was often an oak, sometimes a birch, a Cyprus, pine tree or ash tree. Some species of birch were looked on as the Tree of Life because the fungi which grew on the tree provided the hallucinogenic substances which enabled the shaman to access the spiritual world.
What religions have trees of life?
In most ancient religions in China, Indochina, India, Phoenicia, the Aegean, Mesopotamia, the Altaics, Australia, amongst the Arctic peoples and in Mayan iconography – the tree of life has the same symbolic meaning. It also in myths and legends almost worldwide, for example in the myths of

Background
Description
- Size:Tree-of-heaven has rapid growth and can grow into a large tree, reaching heights of 80 feet and up to 6 feet in diameter. Bark:The bark of tree-of-heaven is smooth and brownish-green when young, eventually turning light brown to gray, resembling the skin of a cantaloupe. Bark. Photo: Dave Jackson Leaves:Tree-of-heaven leaves are pinnately comp...
Look-A-Likes
- This species is easily confused with some of our native trees that have compound leaves and numerous leaflets, such as staghorn sumac, black walnut, and hickory. The leaflet edges of these native trees all have teeth, called serrations, while those of tree-of-heaven are smooth. The foul odor produced by the crushed foliage and broken twigs is also unique to tree-of-heaven.
Dispersal
- Tree-of-heaven is dioecious, meaning a tree is either male or female, and typically grows in dense colonies, or "clones." All trees in a single clone are the same sex. Female trees are prolific seeders with the potential to produce more than 300,000 seeds annually. The single-seeded samaras are wind dispersed. Established trees continually spread by sending up root suckers that may emer…
Site
- Tree-of-heaven grows almost anywhere, from mine spoil in full sun to fertile, partly shaded, alluvial soils along rivers and streams. Besides urban areas, tree-of-heaven is now found growing along woodland edges, roadsides, railways, fencerows, and in forest openings. Tree-of-heaven is intolerant of shade and cannot compete under a closed forest canopy but will quickly colonize di…
Control
- Due to its extensive root system and resprouting ability, tree-of-heaven is difficult to control. Treatment timing and following up the second year are critical to success. Mechanical methods, such as cutting or mowing, are ineffective, as the tree responds by producing large numbers of stump sprouts and root suckers. When cutting tree-of-heaven is necessary to remove potentiall…
Human Health Concerns
- Tree-of-heaven can affect human health. The tree is a very high pollen producer and a moderate source of allergy in some people. In addition, a few cases of skin irritation or dermatitis have been reported from contact with plant parts (leaves, branches, seeds, and bark) and products. Symptoms often vary and depend on several factors, including the sensitivity of the individual, th…