# Growing Requirements for Oranges
Orange (Citrus sinensis) is a native fruit of Asia and is the most grown fruit in the world, as cited by Purdue Cooperative Extension. Orange trees are evergreen and achieve a full height of about 25 feet.
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Weather
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Orange trees thrive in subtropical and tropical regions and prefer a humid, warm weather. Orange trees are likely to suffer from frost and freeze damage when exposed to 27 degrees Fahrenheit or lower. Ideal summer temperature for oranges is 55 to 100 degrees with winter temperature between 35 and 50 degrees.
Soil
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Plant orange trees in a deep, well-drained soil and avoid shallow soils with a high water content. The trees prefer a pH between 6.0 and 8.0. Apply a foliar liquid chelated micronutrient solution as new growth starts in spring. Fertilize mature trees with nitrogen in early spring.
Water
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Water trees thoroughly every two weeks. The Purdue Cooperative Extension recommends 1 ½ inches of water for a tree planted 4 feet deep and 1 inch or less water when tree is planted 1 ½ feet deep in soil. Avoid overwatering as this makes trees susceptible to root and crown rots.
Site
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For best growth, plant orange trees in areas receiving full sun. Place the tree on the south or southeast side of the house as this minimizes susceptibility to frost and freeze damage. The Texas A&M University Extension recommends leaving 12 feet of space on all sides of the tree for growing room.
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