Red Stem Filaree safe?

Hi guys,

Quick question for someone with some plant knowledge. Found a 'weed' growing on my balcony, which after a little investigation I've identified as Red Filaree. Not quite sure how it got there as apparently it's native to North America, but it seems pretty happy. Anyway with it being warmer I want to let my old bun out on the balcony to run around a bit, but I'm worried about him eating the plant. Does anyone happen to know if its safe for them? Did a bit of searching but couldn't find anything on it.

Thanks

Mayhew. x

bump :wave:

storksbill you mean? leaves similar to yarrow, has a little purply flower? if so, yes that's ok