Ruby Red Grapefruit: History

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1929McAllen, Texas, United States
Discovered
Ruby Red appeared as a deeper-red bud sport on a Thompson Pink grapefruit tree in McAllen, Texas, in 1929; the 2004 historical account and Henninger’s patent describe the event and its later fruit.
- Albert E. HenningerDiscoverer
Sources: ⁠[1]⁠[2]
January 24th1933United States
Patented
U.S. Plant Patent No. 53 was granted to Albert E. Henninger on January 24, 1933. The 2004 historical account gives 1934 for the patenting, a discrepancy with the patent header.
- Albert E. HenningerPatent Holder
Sources: ⁠[1]⁠[2]

Discovered