Nightshade is MAJORLY TOXIC according to the California Poison Control System.
Disclaimer: The Corralitas Red Car Property Blog prefers to quote reliable sources, such as CalFlora and California Poison Control on the issue of toxicity. We often get email suggesting some plants are edible. If you are eating your way through the Red Car Property, we DO NOT recommend you eat any plant you find in the Red Car Property neighborhood without first doing your own research. But in this case, we are confident in saying DO NOT EAT THIS PLANT!