Espaliered fruit trees aren't only beautiful, they're functional. Providing food for humans and wildlife, this growing method ...

A version of this story appears in the February 2017 issue of National Geographic magazine. Citrus, in many ways, stands alone. So many cultivated species have come from so few primary ancestors.

Treat the tree twice a week for two months. For those of us who do not want to give up on citrus, there are a few citrus varieties that are listed as tolerant (not resistant). The tolerant ...

Do you have a green thumb? Maybe you’re interested in growing something that will blossom in your yard. The spring gardening season is a […] ...