Plus, they make GREAT climbing trees. 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. t they are absolutely crucial to the ecosystem as a whole.

How big do box elder trees get?

box elder, also called ash-leaved maple, (Acer negundo), hardy and fast-growing tree, of the soapberry family (Sapindaceae), native to the central and eastern United States. Introduced to Europe, it is widely cultivated there as an ornamental. The tree grows to 9–15 m (30–50 feet) tall.

Is box elder 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.