Plants that are Toxic/Poisonous to Animals & Humans

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With Spring comes planting of gardens & landscaping.

There are a few plants that we should be aware of that are poisonous or toxic to animals & humans.


Although Beautiful & fragrant, Be careful with

Stargazer Lilies


they are Poisonous to cats & there are concerns about the risks to humans…

Here is a link with more information:


Next we have

 Dumb Cane or Dieffenbachia


Even though they say that these results are exaggerated,

the truth is, this plant is poisonous.

If you have animals, kids and grandkids they could be in danger.

This plant is very common at our houses, gardens, parks and offices (popular as indoor & outdoor plant).

The plant (Dumb Cane or Dieffenbachia) is now proven to be dangerous, so, please take care!

The leaf of this plant causes itching if its sap (milk) touches your skin.

But there are more dangerous facts!

A piece of the leaf of this plant in the mouth will make the tongue swell to the point of suffocation,

and can permanently harm vocal cords. 

This is one plant but there are others with the same characteristics of coloring. Those are also poisonous.

This plant that we have in our homes and offices is extremely dangerous & is common in Rwanda.

It is a deadly poison, most specially for children & animals.

It can kill a kid in less than a minute and an adult in 15 minutes.

If touched, one should never touch his/her eyes; it can cause partial or permanent blindness.


Here are the links to get more information:





Other Names:

Arbre de Judas, Baccae, Baises de Sureau, Black-Berried Alder, Black Elder, Black Elderberry, Boor Tree, Bountry, Elder, Common Elder. Elder Berry, Elderberries, Elderberry Fruit, Ellanwood, Ellhorn, European Alder, European Black Elder, European Black Elderberry, European Elderberry, European Elder Fruit, European Elderberry, Fruit de Sureau, Grand Sureau, Hautbois, Holunderbeeren, Sabugeuiro-negro, Sambequier, Sambu, Sambuc, Sambuci Sambucus, Sambucus nigra, Sambugo, Sauco, Saúco Europeo, Schwarzer Holunder, Seuillet, Seuillon, Sureau, Sureau Européen, Sureau Noir, Sus, Suseau, Sussier.




Although used as a beneficial medicine, Elderberry is a plant.

The bark, leaves, flowers and berries of this shrub have been used for centuries. However, the parts most utilized today are the elderberry’s flowers and berries, which are being explored as much for their health and healing properties as for their delicious culinary uses.

Do not confuse elderberry with American Elder, Elderflower, or Dwarf Elder.

Elderberry is used for “the flu” (influenza), H1N1 “swine” flu, HIV/AIDS, and boosting the immune system. It is also used for sinus pain, back and leg pain (sciatica), nerve pain (neuralgia), and chronic fatigue syndrome (CFS) .
Some people use elderberry for hay fever (allergic rhinitis), cancer, as a laxative for constipation, to increase urine flow, and to cause sweating.
Elderberry fruit is also used for making wine and as a food flavoring.

How does it work?

Elderberry might affect the immune system.

Elderberry seems to have activity against viruses including the flu, and might reduce inflammation.


Both elderberry flowers and berries contain flavonoids, comprised of vitamin P and citrin, which both boost immunity and have antioxidant properties. Elderberry flowers and berries are used to treat a variety of ailments, including influenza, bronchitis and high cholesterol. Elderberries are often used to treat colds, as they contain high amounts of vitamin C and help reduce mucus. Elderberries have also been shown to lower blood sugar, and both HIV and cancer fighting properties of elderberries are being explored. Elderberry supplements are commonly taken as a capsule, extract, cream or brewed into tea.

Elderberries can be processed to make jams, jellies and other products that eaten by people all over the world. But when herbal supplement makers create elderberry tea, they take special care to process the berries in such a way as to retain their natural healing properties. All elderberry products are extremely popular, but the tea may be making medical history as time goes by.

When drank on a regular basis, this tea can have some significant benefits that mainstream medical science is starting to take notice of.


Elderberry has some Warnings that must be headed…



While elderberry flowers and berries have been used as folk remedies and alternative supplements throughout history, the U.S. National Library of Medicine cautions that the safety and effectiveness of elderberry studies has not always been proven and that more research is needed. Possible side effects of taking elderberry supplements include dizziness, stomach problems and allergies.

 Avoid consuming unripe elderberries, as they can be poisonous.

Some people try to bypass the tea and eat elderberries directly from the bush.

While eating the actual berries is not a problem, it should be noted that:

 the leaves and stems on the bush are poisonous to human beings and other animals.

That is one of the reasons why people prefer to eat processed berry products.

Elderberry tea uses only the berries and avoids all of the potentially toxic parts of the plant.




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