You can't tell from the plants whether weeds are poisonous. For their own protection, nature and garden lovers should be aware of poisonous weeds and above all avoid them.
For some, they are plants that naturally belong to the ecosystem of a garden, for others they are a nuisance from which no beauty can be derived. Weed divides tempers, but should not be taken lightly when dealing with poisonous strains. Our overview shows which "weeds" can sometimes cause massive damage to your he alth.
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11 Creeping Buttercup (Ranunculus repens)
Creeping Buttercup (Ranunculus repens) spreads very quickly, especially if the weeds get enough water (rain). Due to its creeping foothills, it is a thorn in the side of lawn lovers in particular. The creeping buttercup flowers from May to September and also propagates itself (seeds) during this time. The herb is considered mildly toxic, but wear gloves when fighting it.Creeping buttercups are poisonous to both humans and animals. The herb must not be consumed and skin contact should be avoided.
Applicable Active Substances: Protoanemonin
Consequences of poisoning: Skin Irritation, Blistering, Nausea, Vomiting
22 Giant Hogweed (Heracleum mantegazzianum)
Giant hogweed, popularly known as Hercules perennial, can be used for underplanting, but is generally considered a weed. The reason for this is the rapid spread and above all the fact that the Heracleum mantegazzianum displaces other plants. The numerous flowers are a delight for beekeepers, while hobby gardeners try to control the perennial by all means.The most toxic thing about Bear Claw is the escaping plant sap, which unfolds its full dose especially in connection with sunlight.
Toxic substances: Furocoumarins
Consequences of poisoning: Itching, redness, burns, blistering
33 Ragweed (Ambrosia artemisiifolia)
Ragweed is not a poisonous weed in the traditional sense, but it deserves a mention on this list anyway. The plant, also known as mugwort ragweed, mugwort ragweed or wild hemp, and which comes from North America, is spreading more and more in Germany and does not stop at private gardens. Ambrosia is one of the most common allergy triggers when it is in bloom from July to December. To date, there is no obligation to report in Germany, but finds of the poisonous weed should be reported to the local green space office.Toxic substances: Trigger: pollen
Consequences of poisoning: allergic asthma, hay fever, conjunctivitis
44 Ragwort (Jacobaea vulgaris)
Jacob's ragwort, also known as toad herb, spider herb, herb herb and Jacob's ragwort, makes no special demands on the soil. The main flowering period - recognizable by the striking yellow flowers - is in summer, but can extend into October. Horse owners and farmers in particular are troubled by the herb - because of its high toxicity. Jacobskraut is not only to be found in meadows and on field borders, it can also spread in natural gardens.Toxic substances: Pyrrolizidine (alkaloids)
Consequences of poisoning : Liver damage in humans and animals, carcinogenic
55 Black Henbane (Hyoscyamus niger)
Black henbane belongs to the nightshade family, can grow up to 60 cm high and has dark yellow, almost dirty-looking flowers from June to October. The black henbane is not only poisonous, it also has a very unpleasant smell and is therefore not particularly popular with garden owners. Black henbane grows particularly well on nitrogenous soil, on paths and on walls. All parts of the Hyoscyamus niger plant are poisonous, but especially the seeds and roots.Toxic substances: Hyoscyamine and Scopolamine
Consequences of poisoning: racing pulse, unconsciousness, death
66 Datura (Datura stramonium)
The common datura or white datura can grow up to 2 meters tall. The plant owes its name to its prickly capsulesform from the flower between July and October. The latter smells sweet, but the smell of the stems and leaves is generally perceived as unpleasant. Datura prefers to grow along the wayside, but also in garbage dumps. All parts of Datura are poisonous, especially the roots and seeds.Toxic Agents: L-hyoscyamine, L-scopolamine, atropine (alkaloids)
Consequences of the poisoning: Skin irritation, nausea, vomiting, confusion up to intoxication
77 Spotted Hemlock (Conium maculatum)
The spotted hemlock is a biennial herbaceous plant that likes to grow sheltered on hedges and fences. The Conium maculatum prefers a nutrient-rich loamy soil and is almost unmistakably recognizable by its smell reminiscent of mouse urine. The hemlock (all parts of the plant) is considered to be highly poisonous in this country and can even be fatal to humans.Toxic substances: Pseudoalkaloid coniine
Consequences of poisoning: Burning in the mouth, retching, blurred vision, muscle spasms, respiratory paralysis
88 Soapwort (Saponaria officinalis)
The common soapwort can reach a growth height of up to 80 cm. This poisonous weed also blooms from June to October. The common soapwort can often be found along roadsides, the plant is satisfied with sandy or stone soil. As the name suggests, soapwort was used as a substitute for detergent in the past. Today it is still found in some medicines, but it is important to know that soapwort is deadly in high doses. Soapwort must not be eaten raw.Toxic substances: Protein toxin saporin
Consequences of poisoning: Nausea, Vomiting
99 Easter luzei (Aristolochia clematitis)
The ordinary Easter Luzei is also known as the Upright Easter Luzei because of its growth habit. The plant, commonly known as a weed, can grow up to 100 cm high, but the axis is creeping. In our latitudes, the plant shows light yellow flowers from May to June. In ancient times, the Easter Luzei was used as a medicinal plant. Today you should avoid that, because both roots and leaves are considered poisonous.PoisonousActive ingredients: Aristolochic acid
Consequences of poisoning: Stomach ulcers, kidney-damaging, carcinogenic