These Plants Are Possibly Toxic Or May Cause Dermatitis
Information is incomplete, but it does seem to indicate that the plants may cause ill effects.
- Bonsai Tree (Pinus pentaphylla, etc.)
- Heavenly Bamboo (Nandina domestica)
- Licorice Plant (Glycyrrhiza lepidata)
- Mushrooms (alergic reactions)
- Pansy (Viola tricolor)
- Pyracantha (Species)
- Sago Plant (Cycas revoluta)
Plants That Are Toxic
These plants may contain any of a wide variety of poisons and may damage the stomach, heart, kidneys, or other organs.
Aconite (Aconitum napellus)
Agapanthus (Nerine bowdenii)
Amaryllis (Hippeastrum)
Arrowhead Vine (Syngonium podophyllum)
Asparagus Fern (Asperagus setaceus plumosus)
Avocado (Persea americana)
Azalea (Rhododendron occidentale)
Balsam Pear (Momordica charantia)
Baneberry (Actaea)
Belladonna (Amaryllis belladonna)
Bird of Paradise (Strelitzia reginae)
Blue-green Algae
Boxwood
Broad Bean (Vicia faba)
Candelabra cactus
Castor Beans (Ricinus communis)
Christmas Cactus (Schlumbergera bridgesii)
Chrysanthemum (Species)
Coral Vine (Antigonon leptopus)
Creeping Charlie (Glecona hederacea)
Crown of Thorns (Euphorbia milli)
Daffodil (Narcissus)
Datura (Datura)
Delphinium (Delphinium)
Elephants Foot (Dioscorea elephantipes)
Elephants Ear (Dioscorea elephantipes)
Fava Bean (Vicia faba)
Foxglove (Digitalis purpurea)
Geranium (California)
Glacier Ivy (Hedera graceria)
Gold Toothed Aloe (Aloe nobilis)
Heart Ivy (Hedera helix)
Hellebore (Helleborus, Veratrum viride)
Hemlock (Conium, Cicuta)
Henbane (Hyoscyamus niger)
Holly (Ilex)
Horse Bean (Vicia faba)
Hyacinth (Hyancinthus orientalis)
Hydrangea (Hydrangea)
Indian Turnip (Arisaema triphyllum)
Indigo Plant (Indegofera)
Iris (Iris)
Ivy (Hedera helix)
Jack-in-the-pulpit (Arisaema triphyllum)
Jerusalem Cherry (Solanum pseudocapsicum)
Jimsonweed (Datura stramonium)
Larkspur (Delphinium)
Lily of the Valley (Convallaria majalis)
Lobelia (Lobelia)
Locoweed (Oxytropis, Astragalus)
Mandrake (Podophyllum peltatum)
Marijuana (Cannabis)
May Apple (Podophyllum peltatum)
Mistletoe (Phoradendron flavescens)
Mock Orange (Philadelphus)
Monkshood (Aconitum napellus)
Morning Glory (Argyreia, Calystegia, Convolvulus, Merremia, Ipomoea)
Narcissus (Narcissus)
Needlepoint Ivy (Hedera helix needlepoint)
Nightshade (Solanium nigrum)
Nux Vomica (Strychnos nux-vomica)
Oleander (Nerium oleander)
Pencil Cactus
Peyote/mescaline
Philodendron (Philodendron)
Poinsettia (Euphorbia pulcherrima)
Poison Ivy (Rhus Radicans)
Poison Oak (Rhus toxicodendron, Rhus diversiloba)
Poison Sumac (Rhus vernix)
Poison Elder (Rhus vernix)
PotMum (Chrysanthemum mortiforium)
Privet (Ligustrum vulgare, Ligustrum ovalifolium)
Rhododendron (Rhododendron occidentale)
Ripple Ivy (Hedera helix ripple)
Rosary Pea (Abrusprecatorius)
Skunk Cabbage (Symplocarpus foetidus, Lysichitum americanum)
Snowdrop (Galanthus)
Spider Mum (Chrysanthemum morifolium)
Sprengeri Fern (Asparagus densiflorus sprengeri)
String of Pearls (Senecio rowleyanus or herreianum)
Sweet Pea (Lathyrus odoratus)
Thorn Apple (Datura)
Umbrella Plant (Cyperus alternifolius))
Virginia Creeper (Parthenocissus quinquefolia)
Wisteria (Wisteria)
Wolfbane (Aconitum napellus)
Plants With Toxic Oxylates
These plants contain irritation substances known as oxalates salts. Eating these plants may cause irritation of the mucous membranes, pain and/or swelling of the mouth, and tongue. Observe the victim’s breathing as swelling may block the airway.
- Caladium (Species)
- Calla Lilly (Calla palustris)
- Dumbcane (Dieffenbachia amoena)
- Emerald Duke (Philodendron hastatum)
- Heartleaf (Philodendron cordatum)
- Majesty (Philodendron hastatum)
- Marble Queen (Scundapsus aureus)
- Nephthytis (Syngonium podophyllum
- albolineatum)
- Parlor Ivy (Philodendron cordatum)
- Philodendron (Species)
- Pothos (Scindapsus aureus)
- Red Princess (Philodendron hastatum)
- Saddle Leaf (Philodendron selloum)
- Split Leaf Philodendron (Monstera deliciousa)
Plants That Cause Dermatitis (Skin Problems)
Touching the sap from these plants may produce a skin rash and itching.
- Agapanthus (Nerine bowdenii)
- Arrowhead Vine (Syngonium podophyllum)
- Pencil Cactus
- Candelabra cactus
- Castor Beans (Ricinus communis)
- Chrysanthemum (Species)
- Creeping Fig (Ficus)
- Daffodil (Narcissus)
- Geranium (Pelargonium)
- Geranium (California)
- Gold Toothed Aloe (Aloe nobilis)
- Hyacinth (Hyacinthus orientalis)
- Indian Laurel (Ficus nitida) (possible)
- Indigo Plant (Indegofera)
- Poinsettia (Euphorbia pulcherrima)
- PotMum (Chrysanthemum mortiforium)
- Spider Mum (Chrysanthemum morifolium)
- Sprengeri Fern (Asparagus densiflorus sprengeri)
- String of Pearls (Senecio rowleyanus or herreianum)
- Weeping Fig (Fiscus Benjamina) (possible)
Plants That Are Not Toxic
- African Violet (Saintpaulia)
- Aloe-Medicinal (Aloe barbadensis)
- Aluminum Plant (Pilea cadierei)
- Aralia (Fatsia japonica)
- Baby Tears (Helxine soleirolii)
- Bear Feet (Cotyledon tomentosa)
- Begonia (Species)
- Birdnest Sansevieria (Sansevieria trifasciate)
- Bird’s Nest Fern (Asplenium nidus)
- Bloodleaf (Iresine Herbstii)
- Boston Fern (Nephrolepis exalta)
- Cactus – Mostly non-toxic except for:
- Pencil Cactus
- Peyote/Mescaline
- Candelabra cactus
- Calathea (Calathea argyraea)
- Camellia (Thea japonica)
- Chinese Evergreen (Aglaonema modestum)
- Coleus (Species)
- Corn Plant (Draceana fragrans massangeana)
- Creeping Charlie (Lysimachia nummularia)
- Creeping Charlie (Pilea nummularifolia)
- Creeping Jenny (Lysimachia)
- Donkey Tail (Sedum morganianum)
- Dracaena Indivisa (Cordyline indivisa)
- Emerald Ripple (Peperomia caperata)
- False Aralia (Dizygotheca elegantissima)
- Fiddleleaf Fig (Ficus Iyrata)
- Fuchsia (Fuchsia hybrida)
- Gardenia (Species)
- Giant White Inch Plant (Tradescantia albiflora)
- Goldfish Plant (Clumnea leanksi)
- Grape Ivy (Cissus rhombifolia)
- Grape Mountain (Berberis mahonia)
- Hen and Chicks (Escheveria or Sempervivum tectorus)
- Hibiscus (Species)
- Hoya – See Wax Plant
- Jade Plant (Crassula argentea)
- Janet Craig (Draceana derminesis)
- King Palm (Seaforthia elegans)
- Lipstick Plant (Aeschynanthus lobbianus)
- Madagascar Dragon (Draceana Marginate)
- Madagascar Jasmine (Stephanotis floribunda)
- Madagascar Lace Plant (Aponogeton fenestralis)
- Maternity Plant (Kalanchoe pannata)
- Monkey Plant (Ruella makoyana)
- Moon Magic (Pilea ‘moon magic’)
- Mother-in-law Tongue (sanservieria trifasciata)
- Mother of Pearls (Gaptopetalum paraguayense)
- Norfolk Island Pine (Araucarica excelsia)
- Painted Needle (Coleus)
- Palm (Species)
- Parlor Palm (Chamaedorea elegans)
- Peacock plant (Calathea)
- Peperomia (Peperomia caperata)
- Philodendron Peperomia scanden variegata)
- Piggyback Begonia (Begonia hispida cucullifera)
- Piggyback Plant (Tolmica memziesii)
- Pilea (Species)
- Pink Polka Dot Plant (Hypoestes)
- Plectranthus (Species)
- Ponytail Palm (Beaucarenia recurvata)
- Prayer Plant (Maranta leuconeuna)
- Pregnant Plant (Kalanchoe pinnata)
- Purple Tiger (Calathea)
- Purple Passion – Purple Velvet – Velvet Plant (Gynura)
- Rubber Tree (Fiscus elastica decora)
- Sedum (Species)
- Sensitive Plant (Mimosa pudica)
- Snake Plant (Sanseviera trifasciata)
- StagHorn Fern (Platycerium bifurcatum)
- String of Hearts (Creopegia woodii)
- Swedish Ivy (Plectranthus australis)
- Tahitian Bridal Veil (Gibasis geneculata)
- Ti Plant (Cordyline terminalis)
- Umbrella Tree (Schefflera actinophylla)
- Velvet Plant (Gynura aurantiaca)
- Wandering Jew (Tradescantia albifora)
- Warneckei (Draceana dermensis)
- Wax Plant (Hoy exotica)
- Zebra Plant (Alphelandra squarrosa)
Toxic And Harmful Vegetables And Foods
Alcoholic Beverages
Avocado
Cabbage – raw
Caffeine
Eggplant
Milk products – can’t digest
Mushrooms – alergic reactions
Onion – raw
Potato – All green parts
Rhubarb – Leaf blade
Tomato – All green parts
Toxic Trees
Apple – Seeds
Apricot – Pits and Bark
Black Locust – Bark, Sprouts, Foliage, Seeds
Cherry – Leaves, twigs, seeds
Elderberry – All parts, especially roots
Juniper – All parts
Oak – Foliage, acorns
Peach – Leaves, twigs, seeds (pits)
Pine – Needles, twigs, sap
Sandbox Tree
Upas Tree
Yew – All parts
