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PlantFiles: Grapefruit
Citrus x paradisi 'Oro Blanco'

 
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Family: Rutaceae (roo-TAY-see-ay) (Info)
Genus: Citrus (SIT-rus) (Info)
Species: x paradisi (par-ih-DEE-see) (Info)
Cultivar: Oro Blanco
Additional cultivar information: (aka Oroblanco)

One vendor has this plant for sale.

Category:
Edible Fruits and Nuts
Trees
Tropicals and Tender Perennials

Height:
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)

Spacing:
Unknown - Tell us

Hardiness:
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

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring

Foliage:
Evergreen
Aromatic

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:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Propagation Methods:
By grafting

Seed Collecting:
Unknown - Tell us

By Thaumaturgist
Thumbnail #1 of Citrus x paradisi by Thaumaturgist

By Thaumaturgist
Thumbnail #2 of Citrus x paradisi by Thaumaturgist

By Thaumaturgist
Thumbnail #3 of Citrus x paradisi by Thaumaturgist

By Thaumaturgist
Thumbnail #4 of Citrus x paradisi by Thaumaturgist

By Thaumaturgist
Thumbnail #5 of Citrus x paradisi by Thaumaturgist

By Thaumaturgist
Thumbnail #6 of Citrus x paradisi by Thaumaturgist

By Thaumaturgist
Thumbnail #7 of Citrus x paradisi by Thaumaturgist

There are a total of 13 photos.
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Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive Equilibrium On Jan 12, 2006, Equilibrium from IL &, MI wrote:

'Oro Blanco' is a triploid from a grapefruit x pummelo cross. It is seedless. Geneticists R.K. Soost and J.W. Cameron of the University of California created it in 1958 and patented it in 1981.

This plant large and hardy and can handle temps down to 30F. It is my understanding it was developed for California inland citrus conditions. It is also my understanding that fruits should be allowed to fully mature on the tree. If picked too early, they will taste bitter. Other than that, I read the crops yielded are medium to heavy and may alternate bearing. This is a sweet tasting fruit that is tender and juicy and peels easily.

Positive calpsychik On Aug 18, 2004, calpsychik from Santa Cruz, CA wrote:

I don't like grapefruit very much. But I loved this fruit! It was rather sweet and had such an intense, unique flavor. Pure heaven! The blossoms are wonderfully strong-scented and apparently this variety doesn't need a lot of heat to ripen well. I'm in zone 9.

Positive Thaumaturgist On Feb 24, 2004, Thaumaturgist from Rockledge, FL
(Zone 10a) wrote:

“Oro Blanco” is possibly the best tasting sweet white grapefruit available today.

It was developed at the University Of California in the 1970’s from a Grapefruit and a Pummelo (Citrus maxima).

It does not have the bitterness associated with a grapefruit but it has inherited the thick rind and small juice cavity from the Pummelo.

Grown now primarily in the Central and Coachella Valleys in California, the Oro Blancos are available from December through March.

The Product Look-Up (PLU) code is 3092.

Regional...

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

Clovis, California
Santa Cruz, California
Venice, California
Winters, California



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