Hemlock

I'm planting a windbreak this spring and I'm planning on using Canadian hemlock. Before I buy, I want to know if this species of hemlock is poisonous to dogs and cats. Can you help?

- Brian W.

Good question, Brian. Tsuga canadensis (Canadian or Eastern hemlock) is not a hemlock considered to have toxic effects on pets, not beyond the mild gastrointestinal upset that could result from ingesting any plant material. Therefore, while your dog and cat should be discouraged from chewing on this plant, you should not expect any significant troubles if they manage to sneak a nibble.

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