The most poisonous plant on earth, commonly known as castor bean, is growing along Roscoe Boulevard, between White Oak and Encino Avenues, in Northridge.  Did I say growing?  In fact, several robust ...

A gleaming oak tree from the Southeast and an iconic weed from Russia are thriving in Balboa Park.  The park entrance is located on the east side of Balboa Boulevard, between Burbank and Victory Boul...

If you have a dog, you should be extra diligent these days about examining its fur for ticks.  My wife, who works next to a park resplendent with mature oak trees, brought attention to the fact that ...