When life gives you a lemon (tree), turn it into bonsai. Translated literally to "tree in a pot" (via Virginia Cooperative ...

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.

In her book Grow Your Own Mini Fruit Garden, Christy Wilhelmi emphasises the importance of scrutinising the tree's roots to ...