Update:
I had high hopes for my 2 feet tall J-31, but it died a couple of years ago soon after planting. I suspect that there was a problem with the location not being an optimum one. That was a bit painful but I got over it with time.
Freaky Update:
At the start of this Thread, I mentioned my one and only prized Jackfruit Variety: Sweet-Fairchild. This being the only Jackfruit variety that I’ve ever tasted, must have blindsided me from realizing that there are probably much better tasting Jackfruit varieties out there.
I also mentioned that I planted the fast growing and productive Sweet-Fairchild under 2 nuisance giant Royal Poinciana trees; the S-F Jackfruit is in my yard and the 2 giant RP trees are in my neighbors’ yard. Now, check this out. For years I had prayed that my neighbor cut them down, so much so that I even considered paying for it. Finally, This year the neighbor hires some imbeciles and they cut down the giant tree. The giant RP tree fell smack center in the middle of my neighbors’ fancy SUV! I saw this as it happened with my own two eyes (true story)!
A few months later- now a few weeks ago - the neighbor hires imbeciles again to cut down the 2nd giant Royal Poinciana tree. And, - wait for it - a section of this second giant RP falls over my side of the yard and right smack center on top of my Sweet-Fairchild Jackfruit tree! Now it’s as if my S-F Jackfruit tree was never there!
Looking at the bright side: At first I was a bit sad, but now I’m excited about the possibilities. Now I have the Sunshine and Space to plant about 4 more fruit trees; at least 1 or 2 of them will be Jackfruit. So far, after going over all the recommendations from the experts on this Thread, the top 2 contenders are: J-31 and NS1. But, I haven’t made a final decision yet, and I’m in the process of also considering other Jackfruit varieties not yet mentioned in this Thread. Thanks to all the experts and for all the great information so far.