As per the consensus under this post, lacking ethylene the pineapple softens but not ripens after picking. But it seems even before or right after picking the pineapple is ripe only at the bottom. Does it ripen from the bottom while on the plant because the base is connected to the stem? But why does that lead to the bottom ripening first?

Also my pineapples always ripen/soften from the bottom. It has become a pet peeve of mine that when the bottom is nice and soft and sweet, the upper 80% is still green and hard, but when the upper pineapple reaches the middle part of the softening process the bottom usually seems over-ripe, starting to rot. Why is that? I have seen posts here where people say they store their pineapples upside down. Is that necessary?

1 Answer 1


I believe the cause of the pineapple being ripened from the base is because of gravity pulling the juice downwards which it then ferments and turns into alcohol.

  • Interesting! It did cross my mind that gravity must have a hand in the process. Your explanation with alcohol and fermentation makes perfect sense.
    – Eddie Kal
    Commented Oct 28, 2020 at 19:13
  • Thank you. If you feel this is the answer please press the tick under the downvote button and also upvote :) thank you
    – otti green
    Commented Oct 29, 2020 at 17:07
  • Just did! Sorry it took a while.
    – Eddie Kal
    Commented Nov 13, 2020 at 1:57

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