is the calla lily poisonous
Calla Lily. Even just a bite or two of the elegant calla lily can cause liver failure in pets and the mouths and tongues of humans to swell.The protein asparagine, found particularly concentrated in the roots of this plant, is poisonous, so be extra prudent with this popular cut flower.Bob Vila.alla Lily. Even just a bite or two of the elegant calla lily can cause liver failure in pets and the mouths and tongues of humans to swell.