Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at [email protected]. My problem is with black stuff on my crape myrtles' leaves and bark. It ...

If you want your citrus trees to produce an abundance of healthy fruit in winter, now is the time to care for them. I grew up in Arizona, where I had no appreciation for the absurd quantities of ...

Butte County is known for its delicious citrus. Mandarins are grown commercially in our “banana belt” foothills, and residents in the valley can enjoy citrus grown in their own gardens. However, a ...

A row of potted citrus trees outside in the sunshine - Olena Malik/Getty Despite the assumption that citrus trees can only thrive in warm climates, those grown in containers can actually be brought ...

Curls can be cute on a person’s hair, on poodles, sheep, and, of course, on a pig’s tail. But they’re not so cute on trees or plants. 99.9% of us have seen leaf curl on citrus trees. Disturbing as ...

It’s easy to grow potted citrus trees on your patio when the weather is warm and sunny. However, you'll need to move your citrus plants indoors before winter hits. Citrus trees cannot survive outside ...

CORONA — A Southern California quarantine zone has been expanded in an effort to stop the spread of a disease that threatens the state’s multibillion-dollar citrus industry. The addition of 107 square ...

INSECTS The spirea aphid, Aphis spiraecola, an invasive pest, has been discovered for the first time in Denmark by University of Copenhagen researchers. The extent of its current distribution remains ...