if you arent growing lucuma, you're doing yourself a disservice
Best Pouteria I have had out of
P. viridis
P. campechiana
P. sapota
P. caimito
P. hypoglauca
I have sapota, caimito & hypogauca (or glomerata),
Viridis is on the list, I may have access to fresh fruit in January next year, and I have a campechiana tree near me that should fruit soon.
Which Mamey variety are you growing? Could add another that ripening a different season, and/or Green Sapote which is similar.
Could consider Ross sapote (a close canistel relative).
I got the seeds from an (unfortunately unripe) fruit about 20cm long. I'd guess it's Magana.
Would like to get ross sapote seeds, Anderson Tropicals has them in stock at the moment.