Sycamore-deadly poison alert

[Catherine]

I guess this is one of the dangers of planting non native trees. There can be unforeseeable consequences. I am sure no one thought about the trees spreading. Certainly it wasn't understood how dangerous they could be or who would have risked planting them.

Are they a particular problem this year because of the weather? It seems like more seeds fell than usual.

Since some horses have survived there must be a first aid treatment. It would make sense to have that treatment on hand just in case.
I hope the knowing of the danger helps.