all i know is that they are not poisonous
the poisonous gases
Nightshade is rather poisonous, but I don't know THE most poisonous.
if it has a diamond shape head it is poisonous
If a spider bites you and you get sick it is poisonous.
From what I know, not all rats are poisonous.
They can be various colours, which is why you need to know the ones in your area that are poisonous.
No they are not, Miracle Gro is a non toxic product.