Some time ago, after preparing a calabacín (here butternut squash, not zucchini) for dinner, I took the “guts” with the seeds, threw them in some dirt in a flower pot, and said dare you to grow!
They took up the dare, and before too long I found myself having to replant 35 seedlings.

Of the five or six I planted alongside the house, only one appears to have survived.

And I notice we have a volunteer avocado tree there as well, which needs a better location.

A few months ago, when we had avocados daily, I tried starting quite a few of the seeds. None took. So here’s one apparently spilled out of the “compost” barrel (which never gets hot enough to actually compost anything), thriving.
This is why I don’t take gardening too seriously. If things want to grow, they grow. If I want them to grow, well, maybe. Still: time to get those babies into the ground!