What Ferns Are Toxic

Asparagus fern.Lace fern.Sprengeri fern.Plumosa fern.Racemose asparagus.Emerald feather.Shatavari.

Are fern leaves toxic?

Dog owners should keep these plants out of reach as they’re highly toxic to both cats and dogs. The leaves and berries of the asparagus fern are poisonous, and they can cause vomiting, diarrhea, and stomach pain if your dog ingests them. With repeated exposure, skin inflammation can also occur.

Are ferns cancerous?

In animals studies on mice, rats, guinea pigs, toads except cows, bracken fern caused malignant or benign intestinal tumours, especially in small intestines. It can also cause bladder cancer in rats, guinea pigs and cows.