How to Grow Navel Orange
Navel Orange
Citrus × sinensis 'Navel'
treeThe Navel Orange is a seedless citrus variety prized for its sweet flavor, easy peeling, and distinctive navel-shaped marking at the base. These evergreen trees produce abundant fragrant white blossoms followed by large, thick-skinned fruit. They are one of the most popular commercial orange varieties and ideal for home gardeners in warm climates.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 8b-11; tolerates zone 8a with protection. Cold-hardy to about 20°F (-7°C)
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Growth Stages
Establishment (Year 1-2)
2 yearsYoung tree develops root system and branch structure. Foliage is tender and susceptible to sunburn. May produce some flowers but fruit is typically removed.
Water regularly to keep soil consistently moist but not waterlogged. Apply 2-3 inches of mulch. Prune lightly to shape; remove competing leaders. Provide afternoon shade in harsh climates. Do not fertilize heavily the first year.
Vegetative Growth (Year 2-4)
2-3 yearsTree grows rapidly, increasing in height and branch spread. Foliage becomes denser and more robust. Tree begins flowering and setting fruit in small quantities.
Begin regular citrus fertilizing (every 6-8 weeks during growing season). Thin developing fruit to one per cluster if growing at high density. Prune to maintain open canopy for light penetration. Continue consistent watering and mulching.
Flowering (Spring)
2-4 weeksAbundant fragrant white flowers with pink-tinged buds appear on branch terminals. Peak bloom occurs over 2-4 weeks in spring (timing varies by region).
Ensure adequate water during bloom to support fruit set. Maintain consistent temperatures; frost or extreme heat during flowering reduces fruit set. Provide balanced fertilization (avoid nitrogen excess which promotes vegetative growth over fruiting).
Fruit Development (Summer-Fall)
6-8 monthsSmall green fruit develops from fertilized flowers. Fruit grows steadily and begins color break (transition from green to orange) in fall. Trees at full production carry hundreds of fruit simultaneously.
Continue regular deep watering; do not let soil dry during critical growth phase. Apply potassium-rich fertilizer to enhance fruit sweetness and skin quality. Thin fruit if oversetting to encourage larger, sweeter individual fruits (thin to 6-8 inches apart).
Ripening & Harvest (Late Fall-Winter)
2-4 monthsFruit develops deep orange color and reaches full sweetness. Navel oranges are ripe when they feel slightly soft to gentle pressure and have full color. Peak harvest occurs December-April depending on region.
Maintain moderate watering; reduce slightly in late season but do not allow severe drought stress. Apply citrus fertilizer formulated for fruiting. Harvest fruit when fully ripe; flavor does not improve further on tree. Properly ripened fruit stores 3-4 weeks at room temperature.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove affected leaves; spray with horticultural oil in spring; encourage natural parasitoid predators; maintain vigorous tree health
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Spray dormant oil in winter; horticultural oil during growing season; prune heavily infested branches; release natural predators like ladybugs
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Increase humidity through proper irrigation; spray foliage with water to dislodge; use miticide if severe; encourage predatory mites
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Monitor for yellowing leaves and stippling; spray with insecticidal soap or neem oil; remove affected shoots; vector of citrus greening disease—critical to control
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Prune infested branches; spray with insecticidal soap or neem oil; use systemic insecticides if infestation is severe; maintain tree vigor
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No cure once infected; prevention through controlling psyllid vectors with insecticides; purchase certified disease-free nursery stock; quarantine infected trees
Uses
Fresh Eating & Juice
CulinaryNavel oranges are prized for fresh consumption due to their seedless nature, easy peeling, and sweet flavor. The juice is excellent for fresh-squeezed beverages and cooking applications. [source]
Marmalade & Preserves
CulinaryThe thick, flavorful peel makes navel oranges ideal for marmalade, jams, and other citrus preserves. The bitter notes of the pith balance the sweetness of the fruit. [source]
Vitamin C & Immune Support
MedicinalNavel oranges are rich in vitamin C, flavonoids, and antioxidants that support immune function and overall health. One medium orange provides about 70% of the daily recommended vitamin C intake. [source]
Natural Cleaning & Fragrance
HouseholdCitrus peel oil (d-limonene) is a powerful natural degreaser and antibacterial agent. Peels can be dried for fragrant sachets, infused in vinegar for cleaning solutions, or pressed for essential oil. [source]
Dried Peel Crafts & Culinary Garnish
CraftCandied orange peel and dried slices are used as decorative garnish for baked goods, cocktails, and holiday displays. Peels can be dried for potpourri and aromatic crafts. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Navel oranges ripen November-April depending on region; do not harvest by calendar date alone—taste test and check for deep orange color. Fruit does not ripen further after picking. Gently twist or cut fruit with pruning shears to avoid damaging branches. Trees typically produce 200-400 pounds of fruit at full maturity. Ripe fruit stores well for 3-4 weeks at room temperature, or 2 months refrigerated.
Fun Facts
- 🌱 The distinctive 'navel' at the base of the fruit is actually a small secondary fruit that develops inside the larger orange, creating the characteristic dimple. This is a unique botanical curiosity of navel oranges.
- 🌱 Navel oranges are seedless because they arose as a natural mutation of sweet oranges and cannot self-pollinate effectively; all commercial navel orange trees are clones propagated by grafting from the original 'Bahia' tree discovered in Brazil in the 1800s.
- 🌱 A mature navel orange tree can produce over 200 pounds of fruit annually, and some specimens have been productive for 50+ years, making them an excellent long-term investment for home gardeners in suitable climates.
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