Common Name | Botanical Name | Details |
Pokeweed | Phytolacca americana | Toxic if eaten, causing nausea and vomiting |
Poppy (unripe seedpod) | Papaver species | Harmful if eaten in quantity. |
Prickly Poppy | Argemone mexicana | Harmful if eaten in quantity. |
Primrose (leaves) | Primula vulgaris | Upset stomach. May cause dermatitis |
Privet (leaves) | Ligustrum species | Harmful if eaten in quantity. |
Ragwort | Senecio species | Causes kidney failure and liver damage which is irreversible. Minute Doses Fatal - often wrongly diagnosed. |
Raisins | Causes kidney failure Can Be Fatal |
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Rape | Brassicus napus | Haemolytic anaemia, blindness, damage to nervous system, digestive disorders, breathing problems. |
Red-ink Plant | Phytolacca americana | Toxic if eaten, causing nausea and vomiting. |
Rhododendron | Rhododendron species | Nausea, vomiting, depression, difficulty breathing and coma - Can Be Fatal |
Rhubarb (leaves) | Rheum species | Large amounts of raw or cooked leaves can cause convusions and coma Can Be Fatal |
Rosebay | Rhododendron aureum | Toxic if eaten, causing nausea and vomiting. |
Rose Periwinkle | Catharanthus roseus | Harmful if eaten in quantity. |
Rue | Ruta graveolens | Toxic if eaten, causing nausea and vomiting. May cause a skin allergy. |
Sago Palm | Cycas revoluta | Can Be Fatal |
Savin | Juniperus sabina | Harmful if eaten in quantity. |
Schefflera | Brassaia actinophylla | Harmful if eaten in quantity. May cause a skin allergy |
Silkweed | Asclepias species | Harmful if eaten in quantity. |
Solomon's Seal | Polygonatum | Harmful if eaten in quantity. |
Spider Plant | Chlorophytum species | May cause vomiting and salivation. |
Spurge | Euphorbia species | Harmful if eaten in quantity. May cause a skin allergy. |
Squill | Scillia species | Harmful if eaten in quantity. |
Star of Bethlehem (bulbs) | Ornithogalum species | Harmful if eaten in quantity. |
Starflower | Smalacina stellata | Harmful if eaten in quantity. |