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Ragwort

Senecio

Also called Groundsel, Ragworts, Butterweed, Groundsels

Ragwort
Photo: Alexander Rahm, CC BY 4.0

Senecio is a very large genus of about 1,500 species in the daisy family, including groundsels and ragworts, with a wide range of forms from small annual weeds to shrubs and succulents. Most grow best in well-drained soil with good light, and many are toxic to people and animals.

Family
Asteraceae (Daisy family)
Light
Full sun, Part shade
Water
Water when the top of the soil is dry; many species dislike soggy roots.
Soil
Well-drained, gritty or sandy mix for most species.
Temperature
Varies by species; many tolerate 5–28 °C, with frost protection needed for tender kinds.
Safety
Toxic: Many species contain pyrrolizidine alkaloids that damage the liver if eaten over time, and the whole plant is considered harmful.

About

Senecio is a genus of flowering plants in the daisy family (Asteraceae) that includes groundsels and some ragworts. Variously circumscribed taxonomically, the genus Senecio is one of the largest genera of flowering plants. Plants of the World Online currently accepts 1,482 species.

Where it grows

The genus Senecio is distributed almost worldwide. It is one of the few genera occurring in all five regions with a Mediterranean climate. Furthermore, species are found in mountainous regions, including tropical alpine-like areas.

Other Senecio plants

Creeping groundsel · Lavender Steps · Vertical Leaf · Canary Creeper · Threadleaf ragwort · Fireweed groundsel · Natal Ivy · Madagascar ragwort · Curio × peregrinus · Climbing Senecio · Canary Ragwort · Senecio tropaeolifolius

Text excerpted from the Wikipedia article Senecio by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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