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 -- ...

Citrus trees are reputed to need little or no pruning. True, they generally don’t need much pruning but an annual shaping and trim makes harvest easier and helps keeps citrus in good health for years.

June 18 (UPI) --New research has revealed the origins of thorns, the rigid extensions that a variety of plant species use to protect themselves from herbivores. Not all plant spikes are thorns. The ...

''Why do plants have thorns?'' is an easy question: The thorns help protect against hungry animals that like to munch on the plants. ''Where do thorns come from?'' is a more complicated question -- ...

In January, I recognize the blessing of living in Southern California each time I step into my backyard and see a navel orange tree laden with fruit. As winter sets in, imbibing a daily dose of juicy ...