This is my first ever year gardening and was planning on making some nice compost, so I had been tossing all of my fruit and veggies scraps into a composted. The last thing I had added were some old potatoes from the grocery and some dirt (Kelloggs garden soil) to help it all grow and then when I opened it todump after a week or so I had a million sprouts. My garden is already full of other veggies so, I'll be making another raised bed tomorrow. I personally think the heat of the compost bin and the moisture from the dead veggies made them root. Hope this helps someone.