How to Grow Orange Navel
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Orange Navel
Citrus × sinensis 'Navel'
treeNavel oranges are a sweet, seedless citrus variety prized for their distinctive navel-like opening at the fruit apex and rich flavor. These evergreen trees produce abundant, medium to large fruits ideal for fresh eating and juice. They are among the most widely cultivated orange varieties worldwide.
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Example Orange Navel timeline · Pittsburgh, PA (Zone 6b)
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Plant Orange Navel
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Orange Navel
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 8b-11; frost-sensitive below 20°F (-6.7°C)
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Establishment (Year 1-2)
1-2 yearsYoung tree focuses on root and canopy development; minimal fruiting; new leaves are bronze-tinged before turning glossy green.
Water regularly to establish deep roots. Avoid heavy nitrogen fertilizer. Support with stake if needed. Prune lightly to shape.
Vegetative Growth (Year 2-3)
1-2 yearsTree develops a strong framework; foliage becomes dense and dark green. Occasional flowering may occur but is typically removed to encourage growth.
Apply balanced citrus fertilizer. Remove early flowers to direct energy to tree structure. Prune to establish open canopy for light penetration.
Flowering (Spring/Early Summer)
2-4 weeksFragrant white blossoms appear in clusters along branches. Bloom period typically lasts 2-4 weeks; some varieties have repeat blooms.
Maintain consistent watering during bloom. Avoid pruning during flower set. Light fertilization with potassium supports flower retention. Pollination is self-fertile but benefited by bee activity.
Fruiting (Summer-Fall)
4-6 monthsMarble-sized fruit develops from flowers; grows steadily through summer and fall. Skin transitions from green to orange as it matures. Navel develops at apex.
Thin fruit if excessive (one fruit every 6 inches) to promote size. Water deeply and consistently. Apply potassium-rich fertilizer monthly. Monitor for pests and diseases.
Harvest (Late Fall-Winter)
8-12 weeksFruit reaches full orange color and sweetness; sugar content peaks in winter. Fruit can remain on tree for weeks without quality loss, providing extended harvest window.
Harvest when fully colored and slightly soft to touch. Use pruning shears to avoid branch damage. Store in cool location. Continue regular watering even during harvest.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove affected leaves; apply reflective mulch; use spinosad or neem oil on young foliage
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Monitor for yellowing leaves; use horticultural oil; remove infected trees; release parasitoid wasps
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Prune infested branches; spray dormant oil in winter; apply neem oil during growing season
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Increase humidity; spray with water; apply neem oil or predatory mites
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Improve drainage; avoid overwatering; apply copper fungicide; prune infected fruit and branches
Uses
Fresh eating and juice
CulinaryNavel oranges are prized for fresh consumption due to their seedless nature, easy peeling, and sweet flavor. High juice content makes them excellent for fresh-squeezed orange juice and beverage blending. [source]
Zest and marmalade
CulinaryThe aromatic peel is ideal for zesting in baking and cooking. The skin is also used to make marmalades, preserves, and candied peel due to its pleasant bitter-sweet balance. [source]
Vitamin C and antioxidants
MedicinalNavel oranges are rich in vitamin C, flavonoids, and anthocyanins which support immune function, skin health, and antioxidant protection. Regular consumption may reduce inflammation and support cardiovascular health. [source]
Natural cleaning and fragrance
HouseholdOrange peel contains limonene, a natural solvent used in eco-friendly cleaning products. Fresh peel provides natural, pleasant fragrance in kitchens and can be dried for potpourri or infusions. [source]
Pollinator support
WildlifeNavel orange blossoms provide abundant nectar and pollen for honeybees, bumblebees, and other pollinators, supporting local ecosystem health while improving fruit set through pollination. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest fruit when completely orange and slightly soft to gentle pressure, typically November through February depending on location. Use bypass pruners to cut fruit from stem to avoid damaging branches. Navel oranges do not ripen further after harvest; flavor and sweetness peak on the tree. Can remain on tree for several weeks after maturity without quality loss. Early harvests may be less sweet; wait for full color development.
Fun Facts
- 🌱 Navel oranges are seedless because they are a triploid mutation and reproduce vegetatively; every navel orange tree worldwide is a genetic clone of the original 'Selecta' tree discovered in a Brazilian monastery in 1820.
- 🌱 The distinctive 'navel' at the fruit's apex is actually a second, abortive fruit that develops within the skin—a unique botanical feature.
- 🌱 Navel orange peel contains more limonene (up to 90% of peel oils) than the fruit itself, making the peel as valuable as the flesh for extract and cleaning product production.
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