The amount
of poison in a plant tends to vary with location, age of plant,
season, weather conditions. In some plants, the toxin is confined
only to certain parts. Additionally, plants normally considered
non toxic may have been treated with an insecticide, making them
toxic. The following plants may cause toxic symptoms when ingested.
Included are plants which may cause dermatitis when handled.
Toxic Garden Plants
Azalea (azalea indica)
Bleeding
Heart
(dicentra formosa)
Calla Lily (zantedeschia aethiopica)
Carnation (dianthus caryophyllus)
Castor-Oil
plant
(ricinus communis)
Chinese
or Japanese Lantern (physalis)
Chrysanthemum
Clematis
Crocus (colchicum autumnale)
Daffodil (narcissus)
Delphineum
Foxglove (digitalis purpurea)
Gladiola (bulb)
Hyacinthe (hyacinthus orientalis)
Iris
Jonquil
(narcissus)
Lily of
the Valley
(convallaria)
Morning
Glory (ipomaea
tricolour)
Narcissus
Oleander
(nerium
oleander)
Pansy (seeds) (viola
tricolour)
Peony (root) (paeonia
officinalis)
Primrose
(primula)
Sweet Pea
(lathyrus
odoratus)
Sweet William (dianthus barbatus)
Unidentified Wild Mushrooms
Should be
considered toxic until identified by a mycologist.
Vegetables
Potato (green patches found
on tubers & above ground part)