The stony seeds inside the Yew berries are toxic, as well as the rest of the plant. These plants can produce significant nausea, vomiting and diarrhea if consumed in quantity. Juniper is another type of greenery used decoratively during the holidays. The greenery and the berries contain volatile oils that can cause skin and mouth irritation as well as stomach upset if ingested. Many more plants might be used to decorate that have not been addressed here.
General advice is to keep toxic holiday plants out of children s reach.
Another alternative is to use artificial greenery. Plastic Holly and Mistletoe, as well as other imitations are available. The Poison Center has a brochure available that lists common toxic plants around the home and yard. Other sources of sodium chloride include salt tabs, table salt, normal saline and sea water. Sodium and calcium are both important electrolytes in the body, but in increased amounts, can cause some serious effects.