Wall hawkweed is native to temperate regions of Europe and has also established itself in some parts of North America and Australasia, where it is introduced. The plant thrives in a variety of habitats, adapting well beyond its original range without extensive human cultivation.

Wall hawkweed is highly toxic to humans, cats, and dogs. Ingestion of any part of the plant causes severe problems like vomiting, diarrhea, tremors, and seizures. Prompt medical attention is crucial for both pets and humans if exposure occurs. Prevent access to wall hawkweed in areas where it grows to avoid accidental poisoning.

Wall hawkweed originates from Europe. This robust plant has earned its classification as a weed due to its high adaptability and prolific reproduction abilities. Because of its hardy nature and capacity for rapid spread, this plant can quickly establish itself, often overshadowing other garden plants. Its invasive nature not only obstructs the growth of desirable plants, but also depletes the soil of key nutrients needed for the sustenance of other species. Regarded as a peril to biodiversity, wall hawkweed can easily occupy vast landscapes, hindering the growth of native species. The plant's extensive root system poses a challenging threat in the garden, making it difficult to eradicate once established. The primary method of spreading for this weed is by wind dispersal of seeds, allowing it to colonize large territories swiftly and ensuring its survival across diverse climates.

The best season for removing wall hawkweed is early spring or early fall, preferably before the plant has had a chance to flower and distribute its seeds. Here are a few steps to manually control and remove wall hawkweed: