stinging nettles?

[pagan queen]

Is what I read right, can I give my boys stinging nettles?
I have some lovely ones growing next to my compost bin and would gladly share them.

 

[charlotte_alice]

http://www.yorkshirestreetpets.co.uk/?PET_ADVICE:Guinea_Pigs

It says that stinging nettles are alright for piggies.