
Are box elder trees invasive?
Box elder trees are native to North America, but are considered invasive in some parts of the continent. They’re so good at invading that short after being introduced as a park tree in Europe in 1688, they spread across Germany, the Czech Republic, and Poland.
What is the common name for Box Elder?
Indicative of its familiarity to many people over a large geographic range, A. negundo has numerous common names. The names "box elder" and "boxelder maple" are based upon the similarity of its whitish wood to that of boxwood and the similarity of its pinnately compound leaves to those of some species of elder.
Is Box Elder a weedy tree?
Box elders are generally considered a “weedy” tree and are held in pretty low regard by most people. A quick Google search reveals a plethora of descriptions of box elder that are less than complimentary.
Why are Box Elders so hard to kill?
Fewer box elders means fewer insects which translates into fewer birds which has the potential to crash the whole food web. Anyone who has tried to cut a box elder out of their yard will know that they are incredibly scrappy, tough and hard to kill.

Should I plant a box elder tree?
These trees can grow in almost any mild, cool, or cold region in the United States. In fact, they thrive in USDA plant hardiness zones 2 through 9. Plant your boxelder near a stream or river, if possible. They tolerate most soils, including sand and clay, growing happily in dry or wet soil.
Are Box Elders trees harmful?
Box elder trees are widespread throughout North America and found in many ranches and pastures. The seeds produced by this tree pose a fatal threat to horses. Ingestion of just 165 seeds could result in toxicosis.
What are Box Elder good for?
The light wood lends itself to boxes, carvings, turnings, treenware, toys, and simple furniture or storage projects. Spalted boxelder, with its raspberry streaks, is highly prized for accent work and turnings. The wood isn't suitable for outdoor projects.
Are boxelder bugs harmful?
Boxelder bugs are nuisance pests. They do not sting or transmit disease, and are generally not known to bite, though there are rare reports of defensive biting. Boxelder bugs are not known to cause damage to homes or significant damage to plants. However, their feces can stain light colored surfaces.
How do I get rid of box elders?
How to Get Rid of Box Elder BugsSpray Bugs with Dish Soap. ... Clean Large Surfaces with Dish Soap. ... Vacuum Up the Box Elder Bugs. ... Seal Up Doors and Windows. ... Seal or Replace Ill-Fitting Electrical Cover Plates. ... Remove or Trim Box Elder Trees.
Are elder trees invasive?
It is classed as an invasive weed due to its fast-growing nature. Common Elder is commonly found on land that has been uncultivated for some years but can be found in residential gardens. It is, however, a valuable fruit producing tree and can also be used in cottage style gardens to create a fine hedge.
Is boxwood the same as Box Elder?
Apparently, the common name Box-elder, is a reference to its white wood, which is similar to boxwood and its compound leaves which have some resemblance to some elder species. Other catchy common names for this tree are Ash-, Cut-, or Three-leaf (or -leaved) Maple; Ash Maple; Sugar Ash and River Maple.
Do bees like box elder trees?
Red maple, silver maple, sugar maple, and box-elder are the preferred species for bees.
How long does a box elder tree live?
between sixty and seventy-five years(Acer negundo L.) Box elder, also known as the ash-leaved maple, maple ash, or Manitoba maple, is a medium-sized (35-70 feet tall), deciduous tree with an average lifespan between sixty and seventy-five years, but are capable of reaching up to one hundred years under optimal conditions¹.
How do I permanently get rid of boxelder bugs?
Since the pests feed on the seedpods of female boxelder trees, removing them and replacing them with non-seed-bearing male trees (or other species) can help you be rid of the bugs permanently. Keep in mind that the more mature the tree, the costlier it will be to remove.
Are boxelder bugs nice?
One of the endearing qualities of boxelder bugs is that they can release bad-smelling/tasting chemicals to discourage predators. Like many other insects with similar capabilities (monarch butterflies and long-horned milkweed beetles, for example), they have bright orange or red markings to warn predators off.
What attracts box elder bugs?
Naturally, boxelder bugs are attracted to their food source – the seeds of the maple tree family. In the spring, they feed on the juice trapped in ungerminated seeds that have fallen off trees. As new seeds develop throughout the summer, they feed on those.
How to prevent boxelder bugs from invading my house?
In order to prevent boxelder bugs from invading homes, repair holes in window and door screens, seal cracks and crevices with a good quality silicone or silicone-latex caulk and install door sweeps to all exterior entrances.
What is a boxelder bug?
Boxelder bugs are primarily a nuisance pest as they they enter structures, including homes, sheds and garages to overwinter. Boxelder Bugs Identification Boxelder Bugs Prevention Boxelder Bugs Education.
How many generations of boxelder bugs are there in the US?
There are two generations per year in the warmer regions of the United States. In the fall, boxelder bugs become gregarious and congregate on the south side of rocks, trees and buildings where the sun hits. After large masses gather, they migrate to nearby buildings or homes to overwinter.
When do boxelder bugs come out of hibernation?
Overwintering adult boxelder bugs emerge from hibernation in late March to early April when the boxelder buds open. During this time, the adults leave their overwintering sites to return to their host trees for the warmer months. They first feed on fallen boxelder seeds and later move to the female boxelder trees or maple trees where they eat newly developing leaves. Occasionally, boxelder bugs will feed on the fruits of plum and apple trees.
Where do boxelder bugs come from?
This species is native to the western states, but can be found from eastern Canada throughout the eastern United States, and west to eastern Nevada, wherever boxelder trees are found.
How long is a boxelder bug?
Adult boxelder bugs have a body shape that is a somewhat-flattened and elongated oval and is about half an inch long. They have six legs and two antennae that are typically half of their body length. Nymphs look similar to adults but lack wings and are bright red in color.
What is a box elder maple?
Acer negundo, the box elder, boxelder maple, Manitoba maple or ash-leaved maple, is a species of maple native to North America. It is a fast-growing, short-lived tree with opposite, compound leaves.
Where do boxelder bugs lay their eggs?
The boxelder bug ( Boisea trivittata) lays its eggs on all maples, but prefers this species, clustering the eggs in bark crevices . The rosy maple moth ( Dryocampa rubicunda) also lays its eggs on the leaves of maple trees, including Acer negundo. The larvae feed on the leaves, and in very dense populations can cause defoliation.
What is Acer negundo used for?
Acer negundo has been used by Native Americans for several medicinal purposes. The Cheyenne burn the wood as incense for making spiritual medicines, and during Sun Dance ceremonies. The Meskwaki use a decoction of the inner bark as an emetic, and the Ojibwa use an infusion of the inner bark for the same purpose.
What is a gall midge?
A gall midge, Contarinia negundinis joins and enlarges the galls of Aceria negundi. The midge sometimes creates a separate, tubular gall on the midrib or veins of the undersides of the leaves. The cottony maple leaf scale, Pulvinaria acericola, occurs on the foliage of Acer negundo.
Where is Acer negundo native?
These are: Acer negundo subsp. negundo, native from the Atlantic Coast to the Rocky Mountains. Acer negundo subsp. interius, with more leaf serration than the nominate subspecies and a more matte leaf surface, is native from Saskatchewan to New Mexico, between the other two subspecies.
What is the protoxin in Acer negundo?
A protoxin present in the seeds of Acer negundo, hypoglycin A, has been identified as a major risk factor for, and possibly the cause of, a disease in horses, seasonal pasture myopathy (SPM).
What does it mean when a box elder is less than a bird?
Fewer box elders means fewer insects which translates into fewer birds which has the potential to crash the whole food web. Anyone who has tried to cut a box elder out of their yard will know that they are incredibly scrappy, tough and hard to kill. Box elders can grow on almost any type of soil in almost any habitat.
Why do box elder trees bow down?
Box elder wood is not strong enough to support the weight of the larger branches, causing them to bow down sometimes and grow along the ground with “ suckers ” that point straight up into the air. Lots of people think they are ugly trees. I, personally, think that their growth form is pretty cool.
How many leaflets does a box elder have?
It looks different from most of the maples because it has compound leaves with 3 to 5 leaflets. It is also different from the rest of the maples in that it is dioecious (having separate male and female trees). Box elders are generally considered a “weedy” tree and are held in pretty low regard by most people.
How many species of lepidoptera depend on box elders?
The list of wildlife that depends on box elders to survive the winter is so long that I will share only one of the most special figures with you now. There are 285 species of Lepidoptera (moths and butterflies) that depend on box elder to survive their caterpillar stage.
Is a box elder weedy?
Box elders are generally considered a “weedy” tree and are held in pretty low regard by most people. A quick Google search reveals a plethora of descriptions of box elder that are less than complimentary. One of my favorites, put out by the United States Forest Service, laments that “its limbs are brittle and break easily;
Do box elders grow well?
It’s also important to point out that a box elder on an ideal site with good moisture and soils can grow to be a really nice specimen tree with a strong central trunk and almost spherical crown. The rest of the reasons we don’t like box elders are, ironically, the very reasons that we should love them.
Where is Boxelder native to?
Boxelder grows in USDA hardiness zones 3 through 8 and is native to North America. The tree is sometimes crafted into a bonsai specimen but often used as a screen/ windbreak and for land reclamation. It grows rapidly, can become very large and needs a lot of space.
What is the scientific name of Boxelder?
The scientific name of boxelder is Acer negundo (AY-ser nuh-GUHN-doe). Common names include ashleaf maple, Manitoba maple, and poison ivy tree and the tree is a member of the plant family Aceraceae.
What is the bug that eats boxelder trees?
Boxelder bug or Leptocoris trivittatus loves the boxelder tree. This half-inch red-striped insect is a true pest during winter where the adult multiplies and invades homes near where boxelder trees grow. It is one of the most common household pests in the United States.
What are the different types of Boxelder trees?
There are several attractive cultivars of boxelder including "Aureo-Variegata", "Flamingo" and "Auratum". The cultivar Acer negundo "Aureo-Variegata" is noted for its leaves bordered in gold. Acer negundo "Flamingo' has variegated leaves with pink margins and is somewhat available at local nurseries. Acer negundo "Auratum" has abundant gold leaves but is a little harder to find. You must remember that even though these cultivars are ornamental, they still share the original boxelder tree’s undesirable characteristics that include unattractive female fruit and breakage that increase the chances of the tree's early removal due to quick growth.
What does a boxelder look like?
The fruit droops in clusters which some describe as looking like "dirty brown socks" which adds to the overall trashy look of the tree. The boxelder bug makes things even worse.
How tall is a boxelder tree?
A boxelder in the landscape grows to a height of 25 to 50 feet, depending on tree variety and site conditions. One of the tallest ever measured had a recorded height of 110 feet. The tree's crown spread is 25 to 45 feet and the crown is typically broad and ragged or disheveled. The tree often has multiple furrowed trunks or very squat single trunks.
Can you use Boxelder for quick growth?
You can use the tree for quick growth but plan to interplant with more desirable trees to provide for a lasting tree canopy. Boxelder can be a treasure on adverse tree sites.
