[ She steps over and bends down a little, like she's also trying to take a good look at the sprouts now. ]

Are you actively trying to kill them? Right now?

[ Look, she can't assume Death itself kills things by said things just being around it - after all, she's standing next to him right now, and Alice still feels pretty alive. ]

If you're not, then it's no surprise they're instead living and thriving.