Sour Orange, Sanbokan Grapefruit

Citrusgrandis var. sulcata

Family
Rutaceae (roo-TAY-see-ee)
Genus
Citrus (SIT-rus)
Synonym
Citrus sulcata
Sun Exposure
Full Sun
Foliage
Evergreen
Height
15-20 ft. (4.7-6 m)
Spacing
10-12 ft. (3-3.6 m)
Hardiness
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)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Mid Spring
Other Details
Category
Edible Fruits and Nuts
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
From semi-hardwood cuttings
By grafting
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Seed does not store well; sow as soon as possible
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Hampton, Florida

Odessa, Florida

Orlando, Florida

Bluffton, South Carolina

Saint Helena Island, South Carolina

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Gardener's Notes:

1
positive
1
neutral
0
negative
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Y
(Zone 9b) | July 2017 | neutral

Not sour. I don't really understand why it has been listed as citrus grandis rather than Citrus sulcata; it's not really like a pomelo...

C
Bluffton, SC (Zone 9a) | November 2009 | positive

This is a medium sized evergreen citrus tree with typical fragrant white flowers and flavorful yellow, nippled grapefruit-like fruits. Co...Read More

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