SIMS'4 - GrowFruit

You can try the gallery.

People uploaded rooms with the fruit in them.

You can also see if there's any wild grow fruit trees in your hood.

My suggestion would be to start a brand new save.  In the existing saves I played during the challenge, I had very few wild Growfruit trees.  In a new save started after the last patch, I've got no less than a dozen across the worlds.

As @crinrict says, though, multiple simmers posted rooms with the tree in it to the gallery, if you don't want to leave the save you're playing.