Ragwort (Jacobaea vulgaris) is a biennial or short-lived perennial herb known for its bright yellow flower clusters. It is considered a noxious weed in many regions.
Above information is sourced from Wikipedia
Sunlight
Full Sun
Watering
Moderate
Soil
Well-drained, tolerates a wide range of soil types, including poor soils.
Temperature
Moderate
Fertilizer
Low
Full Sun
Prefers full sun for best flowering and compact growth. Can tolerate partial shade but may become leggy.
Moderate
Keep soil consistently moist during active growth, but allow the top layer to dry slightly between waterings. Reduce in winter.
Well-drained, tolerates a wide range of soil types, including poor soils.
Moderate
Prefers average room temperatures (18-24°C) during the growing season. Can withstand cooler temperatures in winter.
Low
Fertilize sparingly in spring with a balanced, diluted liquid fertilizer. Avoid over-fertilization.
Plant Type
Herb
Plant Place Type
Garden
Lifespan
Perennial
Plant Height
0.3 - 1.5 m
Spread
0.3 - 1 m
Growth Rate
Fast
Dormancy
Semi-evergreen
Leaf Color
Green
Leaf Type
Lobed
Flower Size
2-3 cm diameter
Optimal Sunlight Lux
65000
Weed Status
Yes
Toxic for humans
Yes
Rating: 6/5
Toxic for pets
Yes
Rating: 7/5
Edible
No
Contains pyrrolizidine alkaloids, toxic to livestock and humans, especially when ingested in large quantities or over time.