US Plant Patent PP13502
Flavor Jewel
Interspecific tree named ‘Flavor Jewel’
PUBLIC DOMAIN
Patent expired January 15, 2022. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP13502
- Filed
- January 15, 2002
- Granted
- January 21, 2003
- Expires
- January 15, 2022
- Inventor
- ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE
Abstract
A new and distinct variety of interspecific tree. The following features of the 6 year old tree and its fruit are characterized with the tree budded on ‘Nemaguard’ Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif., with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consists of the following combination of desirable features: 1. Heavy and regular fruit production in the late maturity season. 2. Fruit with an attractive red skin color. 3. Fruit with firm flesh, having very good storage and shipping quality. 4. Fruit with very good flavor and eating quality. 5. Vigorous, upright growth habit. 6. Fruit with high Brix of 18.3°, with good balance between acid and sugar.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct interspecific tree, substantially as illustrated and described, characterized by its large size, vigorous, upright growth and being a productive and regular bearer of large, firm, clingstone fruit maturing in the late maturity season, with very good flavor and eating quality; and in comparison to the fruit of one of its parents ‘Friar’ Plum (non-patented), the new variety is cordate in shape with red skin color, compared to oblate shape with blue black skin color and is approximately 2 weeks later in maturity.
Read the full patent: US Plant Patent PP13502 in full — the complete specification, every figure, and the file history.