So i was testing wormwood out on Reign of Giants, planting seeds everywhere when I found a pile of seeds out of nowhere. Like, 25+. At first I thought nothing of it, but after I planted some more, that same spot got refilled by the exact amount I planted. I assume whatever makes seeds 'despawn' from our view was placed on viewable land or something.
This also happened in the caves for me as well.
I luckily was streaming when this happened and can provide some video evidence of this happening.
Steps to Reproduce
Be Wormwood, go to Reign of Giants. Plant seeds. Look around for a mystery pile of seeds on land mass. Profit?
This issue has not been confirmed by a developer yet.