Thorns of the Osage orange tree are an inch long and grow on the branches and on the trunk. Other names for the tree include hedge apple, horse apple and bois d’arc.

A: Thorns on citrus trees develop at the nodes, often sprouting on new grafts and fruiting wood. Some citrus trees with thorns outgrow them as the tree matures.

The Osage orange hedge row tree, ... Its bark is deeply ridged and orangish-brown, while branches bear sharp thorns and release a milky sap when broken. Growing 30-50 feet tall, ...

Q: We have a tall, full and thorny 7-year-old lemon tree. Should it have thorns? Four years ago it had 8-10 lemons on one main lower branch. Every year since, it bears less fruit on that branch ...

It’s the branch of a tree, but this tree is no good for a tree house. Take a look at the thorns, which can be found up and down the trunk, and also potently arming the branches. You won’t be ...

Bradford pear trees are banned in a few states. More are looking to replace, eradicate them. Bradford pear trees, which can help spread wild, thorny Callery pear trees, are becoming a target of ...

The crown is rounded, and the branches are thorny. Sometimes the thorns themselves will sprout leaves. Before the flowers open, the plant sports a profusion of attractive buds, which tend to be ...

It one-inch thorns are thick enough to shred tires on a tractor if you drive over fallen branches. And the trees have a weak structure, making the branches and limbs easy to snap in strong winds ...

C. nigriceps in particular is a “tree architect,” pruning the buds of the whistling thorns it occupies to prevent the branches from extending near the crowns of neighboring trees and allowing ...