Grape Hyacinth
Q.

are grape hyacinths poisonous?

Zone North central TX | alvisjw added on March 20, 2015 | Answered

I have been told most of life that the little plant that looks like an onion and has the purple flowers is crow poison. I think they were confused because they have me confused.

A.
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shelley
Certified GKH Gardening Expert
Answered on March 20, 2015

It looks like the confusion is widespread based on my research.

According to the ASPCA, the grape hyacinth is not poisonous to cats or dogs.

http://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/grape-hyacinth

As for toxicity to humans, the University of Wisconsin, California and Utah published poison prevention literature that said it was not toxic.

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