Citrus sinensis L. Osbeck
Produced at the Citrus Research Center, Riverside, California, 1915.
Frost nucellar Valencia is a nucellar seedling selection made by H.B. Frost.
Rootstocks of accession
Carrizo citrange, C-35 citrange
Season of ripeness at Riverside
March to July
Notes and observations
11/1989, EMN: Seed obtained from Rubidoux, Ca. A typical Valencia. Has lost popularity in recent years and is little used now.
Description from The Citrus Industry Vol. 1 (1967)
"Frost Valencia is a nucellar seedling derived about 1915 by H. B. Frost of the Citrus Research Center, Riverside, and released in 1952. Exceptionally vigorous and productive, it is the oldest of the California nucellar budline selections and currently the most popular."