'Potato Top' now called 'Limbaugh's Legacy Potato Top' was a Pittsburgh tradition for years. Fred Limbaugh grew them for decades and gave thousands of plants away to his steel workers. Then a Pittsburgh Press columnist orchestrated a big seed give-away for them annually for many more years. I've sent hundreds of seed packets out and had reports of great productivity and flavor from literally all over the US. I wrote an article for DG about their history,
https://davesgarden.com/guides...
Sadly, I lost the particular strain I'd been growing, but I got a packet from TomatoFest last year -- very similar but not quite the same. If anybody has been growing 'Potato Top' from seeds I sent them years ago, please save some seeds for me!