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Citrus variety

Washington Navel Orange

Also known as Navel Orange

The short answer

Washington Navel Orange is self-fertile[1]. The sourced figures are below — where nothing is published we say so, and any estimate is clearly labeled as ours.

Growing facts

Washington Navel Orange growing facts
Chill requirementNone — citrus trees don’t need winter chill
HardinessNot published for this variety
PollinationSelf-fertile[1]
Harvest windowOctober–December[1]
Years to bearingNot published
USDA pomological watercolor of Washington Navel Orange citrus
Citrus sinensis: Washington NavelUSDA pomological watercolor, Ellen Isham Schutt, 1914 · USDA Pomological Watercolor Collection

Plate provenance[2]

Notes

  • Seedless to nearly seedless (0-6 seeds); good cold hardiness among sweet oranges.[1]
  • Winter-ripening; protect below about 28F.[3]

A year with your Washington Navel Orange

When the work happens for a citrus in USDA zone 6, anchored to typical frost dates.

Months for pruning, thinning, spray-timing windows, and harvest for Citrus in zone 6
TaskJFMAMJJASOND
Prune——————————
Spray timing—————————
Harvest————————————
Care—————

See the full month-by-month citrus calendar for zone 6 →

Growing a Washington Navel Orange? Get its care calendar for your exact ZIP code, with email reminders.

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Questions

Is Washington Navel Orange self-pollinating?
Washington Navel Orange is self-fertile, though a pollination partner can improve cropping.

Sources

  1. [1] Texas A&M AgriLife Extension (Aggie Horticulture). Table 1. Characteristics of common Texas citrus varieties — accessed July 2026
  2. [2] USDA National Agricultural Library. USDA Pomological Watercolor Collection (Rare and Special Collections, 1886-1942) — accessed July 2026
  3. [3] Four Winds Growers. Citrus Variety Info Chart — accessed July 2026