University of California, Riverside
College of Natural and Agricultural Sciences
UCR Citrus Variety Collection - Home
UCR Home UCR Web Sites


Hudson Foster grapefruit

Citrus paradisi Macfadyen


CRC 3638

PI 539477

VI 308 (No longer available)




Photos by Toni Siebert and David Karp, CVC, 5/22/2008. Photo rights. 25 year old trees.


Source: Received as budwood from Dr. Joe Furr, USDCS, Indio, Ca, 1968.


Parentage/origins: Hudson Foster came from a natural mutation on a Foster Pink grapefruit tree found in the late 1950's by a Texas citrus grower.


Rootstocks of accession: Carrizo citrange, C-35 citrange


Season of ripeness at Riverside: February to June


Notes and observations:

1979, Don Cole: Red-fleshed, very seedy & sour.

3/18/1988, EMN: Dark pink flesh, about the same as Star Ruby-- but very seedy.

5/29/2009, DK & TS: Dark pink flesh, seedy, intense flavor.

Availability: No longer commercially available in California through the Citrus Clonal Protection Program. This accession no longer has an approved budsource. Please refer to the CCPP for information on another approved budsource or to start a reintroduction inquiry.


USDA Germplasm Resources Information Network page for Hudson Foster grapefruit




How to Support the Collection

Page created by: Center for Visual Computing
Maintained by:

UC Seal