Citrus are subtropical, fruit-bearing trees. They can be grown as specimens outdoors and many can be grown indoors. Citrus include limes, oranges, lemons, citrons, grapefruits, mandarins, clementines, satsumas, and tangerines. Nearly all citrus have thick, leathery, and shiny green leaves and stems that are often spiny. They bear handsome flowers that are fragrant, white and […] More