AT A GLANCE
How do meadow hogweed and giant hogweed differ?
A main feature to distinguish between the two Bärenklau species is the adult plants size of the plant. Meadow Bear Claw reaches a maximum height of 1.5 meters. In contrast, the giant hogweed grows about three to four meters.
Why do I need to know the Bear Claw species?
Giant hogweed, also known as Hercules perennial, is very toxic and must not be touched. Bear Claw contains toxic furocoumarins. While their concentration in the meadow hogweed is low, the giant hogweed contains large amounts of it. These toxic substances destroy the skin's natural sun protection. If sunlight shines on the affected area, severe burns occur. Furocoumarins can also be transpired from the plant. Therefore, you should not approach the plants.
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How do Bear Claw species differ in young plants?
In addition to the stature height, you should for differentiationbased on the stalk of the plants. The giant hogweed has many dark spots on its stout stem. In contrast, in the case of the meadow bear's hogweed, it is without color differences. Another feature to identify is the hairiness of the leaves. The giant hogweed has dense, bristly hair. The Wiesen-Bärenklau has rather fluffy looking hairs.
Tip
Bear Claw in the garden
As a layman, it is better to avoid Bear Claw species in general. Giant Hogweed is unsuitable for the garden because of its proliferation. Meadow hogweed is also slightly poisonous. If there are children or animals in the household, also avoid this plant.