There are several kinds of trees in the Skiatook area that have thorns. This note describes four of them. Black locust, Callery pear, chittamwood and Osage orange. The thorns of black locust are small ...

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A question for Dan Gill: I just planted a 3-foot Meyer lemon tree. How do I keep it from growing thorns? Any other tips would be appreciated. -- Pam Barron Answer: All of the citrus trees we grow -- ...

HARARE, Zimbabwe – A century-old thorn tree with an umbrella-shaped canopy offers shade to players on the 13th hole of Zimbabwe's oldest surviving golf course. The indigenous tree is going to stay, ...