It’s also poisonous, I believe (can’t remember which parts, seeds, probably...) so make sure they keep any animals or kids away from it. The usual irritant euphorbia sap as well, of course. It grows wild in the woods around here so I make sure my dogs don’t go near it.
Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
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Euphorbia lathyrus, keeps moles away