I met Joan this morning and she said time traveling will automatically rot your turnips. Haha, time travelers.
Of course they would rot... if you time travel in massive leaps. Turnips are only good for one week. And if someone is time traveling for turnip profit, I'm pretty sure they're going to be going day by day. So your slightly rude, mocking comment is pointless.
Don't do it, you'll regret it!
She said any kind of "time warping" (I think that's the term she used). So even if it's a couple hours they might rot. She didn't say anything about massive leaps. So yes, haha to you time travelers.