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A Country Living report says cutting or mowing tree of heaven can prompt root suckers, potentially increasing the number of shoots. It recommends confirming the tree’s identity, choosing a control method based on its size, following herbicide labels and monitoring for regrowth. Complete eradication may require repeated treatment; large or hazardous trees may call for a professional.
A Country Living report on removing tree of heaven warns that cutting or mowing the invasive tree can prompt new shoots from its roots, potentially making an infestation harder to control. The guide recommends identifying the plant correctly, choosing a method suited to its size and monitoring treated areas for regrowth.
The tree can be confused with sumac and black walnut, so identification should come before removal. Country Living describes tree of heaven as having compound leaves, often 1 to 4 feet long, with mostly smooth-edged leaflets and one to four small teeth near the base. A gland sits beneath each tooth. The report says crushed leaves or broken branches can have a foul odor, sometimes compared with burnt or rancid peanut butter.
The guide says hand-pulling is appropriate only for very small seedlings, when the soil is moist and the entire root can be removed. For larger seedlings or small trees up to 10 feet tall, it describes foliar herbicide application. For trunks up to 6 inches in diameter, it recommends basal-bark treatment when foliar application is unsuitable; larger trees may be treated using hack-and-squirt, in which herbicide is applied to cuts around the trunk.
Those methods involve herbicides, and the report says to use only products labeled for tree of heaven and for the intended application method. Users should follow label directions for protective equipment, mixing, weather and permitted use sites, avoid drift onto desirable plants, and check local rules. Country Living advises consulting a local cooperative extension if product labels are unclear.
Why Cutting Can Increase Shoots
The central warning is that visible top growth is not the whole plant. Cutting or mowing may cause the root system to send up root suckers, so removing a trunk without controlling the roots can lead to more shoots rather than lasting control. The guide distinguishes these suckers from seedlings: pulling a sucker can leave root fragments behind, while pulling a very small seedling may work if its full root is removed.
Tree of heaven is described in the report as fast-growing and invasive, competing with native plants in yards and forested areas. It is also a preferred host of the invasive spotted lanternfly, according to the source. That makes accurate identification and careful control relevant beyond a single yard, though the report does not quantify local impacts or establish that removing one tree will reduce lanternfly populations.
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Choosing a Method by Tree Size
Country Living presents removal as a sequence of decisions, not a single universal treatment: confirm the species, assess the tree’s size, then select a method. Its guidance says herbicide treatments are generally most effective from mid- to late summer until fall color begins, when the tree is moving carbohydrates toward its roots. It advises holding off when the tree is flowering, typically in spring or early summer, and pulling seedlings when soil is moist.
The report cautions that one treatment may only weaken the root system. Follow-up checks and, where needed, additional treatment are part of the process. It recommends calling an arborist or invasive-plant specialist for a large tree near a home, power lines or valuable landscaping, or when the infestation covers a wide area.
““Cutting or mowing can cause the tree to send up root suckers.””
— Country Living report
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What Removal Depends On
The report does not specify a single herbicide product or application rate, and the appropriate product may depend on its label, the site and local rules. It also does not give a guaranteed timeline for eradication or say how many follow-up treatments a particular tree or infestation will need. Results can vary with tree size, season and how much of the root system remains.
Identification can also be uncertain, especially where tree of heaven is confused with native species. The guide’s visual clues are useful, but a reader unsure of the species or treatment should seek advice from a local extension service or qualified professional rather than risk damaging other plants.
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Monitor for Root Regrowth
After treatment, check the site for new shoots and root suckers and follow the product label and local guidance before any repeat application. Do not assume that a dead-looking trunk means the roots are controlled. Where the tree is large, close to structures or utilities, or part of a broad infestation, consult an arborist or invasive-plant specialist to plan safe treatment and follow-up.
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Key Questions
Why should I avoid cutting down tree of heaven?
Country Living says cutting or mowing can trigger root suckers, producing new shoots from the root system and potentially increasing the number of plants.
How can I tell tree of heaven from sumac or black walnut?
The report points to mostly smooth leaflet edges with a few teeth near the base and a small gland beneath each tooth. It says sumac and walnut have serrated leaflets without those teeth and glands. If identification is uncertain, ask a local extension service.
When is the best time to apply herbicide?
The guide says applications are generally most effective from mid- to late summer until fall color begins. It advises against treating while the tree is flowering and says to follow the product label and local rules.
Can I pull tree of heaven by hand?
Hand-pulling is recommended only for very small seedlings, when the soil is moist and the entire root system can be removed. Pulling root suckers may leave root fragments behind.
When should I call a professional?
The report recommends an arborist or invasive-plant specialist for a large tree near a home, power lines or valuable landscaping, or for an infestation across a wide area.
Source: rss
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