Christmas Cactus

Just wondering if anyone can tell me if the christmas cactus plant without flowers are toxoc to dogs?

Go to www.aspca.org

Specifically, you can try this page: http://www.aspca.org/site/PageServer?pagename=pets_toxicplants

Personally, I like to avoid all confusion by keeping all plants up off the ground (so the temptation to dig in the pots is eliminated). ;)