Photo by Melody

PlantFiles: Sweet Orange, Navel Orange
Citrus sinensis 'N-33'

Family: Rutaceae (roo-TAY-see-ee) (Info)
Genus: Citrus (SIT-rus) (Info)
Species: sinensis (sy-NEN-sis) (Info)
Cultivar: N-33

Edible Fruits and Nuts
Tropicals and Tender Perennials

20-30 ft. (6-9 m)

Unknown - Tell us

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Spring


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By grafting

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By scrivdom
Thumbnail #1 of Citrus sinensis by scrivdom


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive scrivdom On Mar 14, 2008, scrivdom from Houston, TX wrote:

This fruit tree has performed very well in my backyard in Houston, TX. It is planted in a somewhat sheltered corner but the upper half receives sun throughout the day. It is rare that I supply extra water but do apply citrus fertilizer 2-3 times each season and some years have applied dormant spray to counteract scale. The tree is now ~4m tall and yields over 100 oranges each year.


This plant has been said to grow in the following regions:

Brownsville, Texas
Houston, Texas

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