Robertson Navel orange trees weather colder and drier climates better than most orange trees, and produce delicious, sweet fruit. They’re easy to grow indoors, too—and they don’t need a lot of pampering. Mature trees can produce upwards of 100 oranges a year!

Sun Exposure

• Full sun (six to eight hours) to partial shade

Soil pH

• 5.5 to 6.5

Hardiness Zones

• Outdoors: 8 to 11
• Patio: 4 to 11

Mature Size

• Height: 8 feet (pruned)
• Spread: 8 to 12 feet

Moisture

• 1 to 1 1/2 inches per week

Notes

• Moderate growth rate
• Harvest in fall
• Can fruit the first year

Have you ever grown Robertson navel oranges? Please tell us about your experiences with the Robertson navel orange tree.