Citrus sinensis 'Navel' (Navel Orange Tree)


Botanical Information

FamilyRutaceae
GenusCitrus
Speciessinensis
Cultivar'Navel'
CategoryTropicals, Woody
TypeTree (evergreen)
Ethnobotanical Uses
Disclaimer
Eaten fresh, used in juice and a variety of desserts.

Details

USDA Hardiness Zone9 - 11
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1c - H4
RHS Hardiness Ref.
Temperature (°C)-10 - 10
Temperature (°F)14 - 50
Height4.6 - 7.6 m
Spread4.6 - 7.6 m
GrowthMedium
Flowering PeriodJanuary, February, March, April, December

Description and Growing Information

General DescriptionTrees have glossy green foliage and 4-petalled white fragrant flowers.
ID CharacteristicNavel oranges are seedless.
ShapeRounded crown.
PropagationNavel oranges can be propagated through cuttings and grafting.
CultivationGrows best in full sun in well-drained soil. Let soil dry between waterings.
PestsMediterranean fruit flies, fungal leaf spots, blights, aphids, sooty mold, root rot, and viruses. Xylella a bacterial disease is a serious threat to many horticultures crops due to its virulence and wide range of species it can infect. It can infect more than 560 species with wide ranging symptoms including leaf scorch, yellowing and scorching, wilt, branch and twig dieback and plant death. These symptoms can be identical to other symptoms such as drought and weather stress. Infected plants show symptoms within a few years after planting.
Notable SpecimensPinewood Estate, Bok Tower Gardens, Lake Wales, Florida, United States of America.
Bark/Stem DescriptionThe tree naturally has multiple trunks but can be trained to form a single stem. Branches are thorny.
Leaf DescriptionShape ranges from oblong to oval. 6.5 - 15 cm long and 2.5 - 9.5 cm wide, often with narrow wings on the petioles.
Flower DescriptionFragrant, produced in clusters; bloom time is spring and winter.
Fruit DescriptionThe fruits are easy to peel and the slices separate easily.
Texture DescriptionLeaves are leathery and glossy.

Photographs