Hm, so... signs that the mandrake is ready and nurtured and adults and stuff? Toby knew these things, the main one being the one that Adi had said, about moving into each other's pots. But there WERE others, of course. One in particular sprang to mind, and Toby raised his hand.

"Their cries are fatal when they're all adulty. SOOOOO if you hear one scream and it makes you all dead and stuff then it's ready for you to harvest." Toby nodded. Nod nod nod. Real true fact right there.