Oranges,
Grapefruits, Lemons, LimesOranges,
Grapefruits, Lemons, LimesCitrus trees are evergreen with shiny green leaves that often smell like the fruit the tree will produce. They vary in height depending on the root stock.
Hardiness depends on species. Ranges from 20F for sour orange to 30F for lemons.
Allow to dry out between irrigations. Never drought stress. Responds well to rain water.
Full sun.
Fairly tolerant, but does not like excessive alkaline or rocky soil, poor drainage or salty water.
Continual, including irrigation, sun protection, pruning, frost protection and feeding. Mature trees do not require as much maintenance.
Sensitive to cold. Fruit drop. Hot dry winds stress tree. Gets salt burn. Sunburn on south side of tree. Gummosis, a fungus caused by exposing trunk to too much moisture. Aphids, citrus thrips, orange dog (larvae of swallowtail butterfly), red or brown scale, citrus red mite.
White fragrant blooms in spring or fall
Fruits follow bloom. Only about five percent of the blooms will turn into fruit.
Besides eating the fruit, the trees provide shade.
Member of the Rutaceae family.
There are many varieties for each type of citrus.
Informal, Tropical, Subtropical, Oriental, Mediterranean, Fragrant, Edible.