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Common
Houseplants Poisonous to People and Pets
| Common name |
Toxic
parts |
Level |
| Alocasia all species |
Leaves and stems |
3 |
| Amaryllis
(Hippeastrum) |
Bulbs |
2 |
| Anthurium all species |
Leaves and plant saps |
3 ~ 4 |
| Asparagus Ferns |
Leaves and plant saps |
4 |
| Aralias (Polyscias family) |
Plant saps |
4 |
| Azaleas (Rhododendron) |
Leaves and flower nectar |
3 |
| Cardboard Palm (Zamia) |
All parts |
1 ~ 5 |
| Caladium
(All species) |
Leaves and bulbs |
3 ~ 4 |
| Century Plant (Agave) |
Plant saps |
3 ~ 4 |
| Chinese Evergreens |
Plant saps |
3 ~ 4 |
| Christmas Holly |
Leaves and berries |
2 |
| Clivia - Kafer Lily |
All parts |
2 ~ 4 |
| Crotons (Codiaeum sp) |
Leaves and plant saps |
2 ~ 3 |
| Cyclamen
(All species) |
Bulbs |
3 |
| Daffodils ( Narcissus) |
Leaves, flowers and bulbs |
2 |
| Dumb Cane (Dieffenbachia) |
Leaves and plant saps |
3 |
| English Ivies (Hedera
spp) |
Plant saps and seeds |
3 |
| Easter Lilies |
Leaves and bulbs |
5 |
| Euphorbias ~ Poinsettias |
Milky sap |
4 |
| Ficus
(All species) |
Plant saps |
4 |
| Fishtail Palm (Caryota) |
Seeds and plant sap |
3 ~ 4 |
| Jerusalem Cherry (Solanum) |
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| Mistletoe (Phoradendron) |
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| Ornamental Pepper |
|
3 ~ 4 |
| Oleander (Nerium) |
All parts of the plant |
1 |
| Oyster Plant (Rhoea) |
Plant saps |
4 |
| Peace Lily (Spathiphyllum) |
Plant saps |
3 ~ 4 |
| Pencil Cactus (Euphorbia) |
Milky sap |
4 |
| Philodendron
(All species) |
Leaves and plant saps |
2,3,4 |
| Pothos (Scindapsus) |
Leaves and plant saps |
3 ~ 4 |
| Sago Palm (Cycas revoluta) |
Seeds |
1 |
| Schefflera |
Leaves and plant saps |
2 ~ 4 |
| Snake Plant (Sanseveria) |
Leaves and plant saps |
2 ~ 4 |
| String of Pearls (Senecio) |
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| Yew (Podocarpus) |
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"The Handbook of Poisonous & Injurious Plants"
is rich in visual images,
emergency medical information, botanical descriptions, and
scientific references, is the easiest to use and most comprehensive
handbook of its kind available today. It will be of great value to
physicians, naturalists, horticulturists, parents of small children,
pet owners, and all those who interact with plants and the
landscapes -- both indoors and outdoors. This book is
designed to become a well-thumbed addition to libraries, classrooms,
and personal bookshelves. The authors are to be congratulated for
producing such a useful, portable, and elegant guidebook to the
plant toxins that are all around us."
- Peter H. Raven, President, Missouri Botanical Garden, St.
Louis, MO,
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Toxicity levels
1. Highly Toxicity: If ingested these plants may cause serious illness
or death.
2. Low Toxicity: If ingested these plants may cause minor illnesses such
as vomiting or gastro-intestinal problems.
3. Calcium Oxalic acids: The juice or sap of these plants contains
oxalate crystals. These sharp crystals can irritate the skin, mouth, tongue,
and throat, resulting in throat swelling, breathing difficulties, burning
pain, and stomach discomfort.
4. Skin Irritation (Low):
The sap of these plants may cause a skin rash or irritation.
5. Can be fatal to cats or other pets.
Disclaimer
Denver Plants is providing
this list of poisonous house plants as a service to our guests. We do not
guarantee the completeness or accuracy of the information on this page. If you have a
poisoning emergency please contact the Poison Control Center in your area or
call your doctor immediately.
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