Koethen sweet orange

Citrus sinensis (L.) Osbeck RUTACEAE

CRC 1106
PI 539588


Received as budwood from E.R. Koethen grove, Brockton Ave., Riverside, 1917.


Seedling tree selected by Dr. Frost (1A-4-24) as especially vigorous from the orchard of Mr. Koethen. Orchard was 35 years old.  

Rootstocks of accession: Carrizo citrange, C-35 citrange 

Season of ripeness at Riverside: January to March

Notes and observations

These fruits are rather seedy and possibly of interest from rootstock standpoint. Averaged 13-19 seeds. 2/08/1988, EMN: A typical mid-season, seedy sweet orange.


Not commercially available in California.


USDA Germplasm Resources Information Network page for Koethen sweet orange



Koethen sweet orange CRC 1106 006
Koethen sweet orange CRC 1106 004
Koethen sweet orange CRC 1106 001
Koethen sweet orange CRC 1106 005
Koethen sweet orange CRC 1106 003
Photos by David Karp and Toni Siebert, CVC
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